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Books by Mercer Mayer

64 books by Mercer Mayer have full reviews here; all 185 Mercer Mayer titles and editions in our catalog are rated for reading level and content intensity.

Mercer Mayer has 64 books with full reviews on HootRated, spanning Grade 0–5 reading level. The typical Mercer Mayer book lands at Grade 2, with average content intensity 1/5. Mercer Mayer's books span 8 series, including Little Critter, Little Critter; Road to Reading: Mile 2; Step into Reading: Step 2, Little Critter; Road to Reading: Mile 2, and 5 more.

Reading level alone doesn't tell parents whether a Mercer Mayer book is right for a child. All of Mercer Mayer's reviewed titles are at Gentle or Mild intensity — appropriate for sensitive readers or kids reading ahead of their emotional readiness. None are rated Intense or Very Intense. The intensity badges below (green → red) help you match books to your child's emotional readiness, not just their reading ability. See our methodology for how we rate.

Just a school project

Mercer Mayer

Cover of Just a school project

Just a school project

Mercer Mayer

Level 2-3 Gentle

Little Critter

Mercer Mayer

Cover of Little Critter

Little Critter

Mercer Mayer

Level 2-3 Gentle

Just so thankful

Mercer Mayer

Cover of Just so thankful

Just so thankful

Mercer Mayer

Level 3-4 Gentle

Just Fishing With Grandma

Mercer Mayer

Cover of Just Fishing With Grandma

Just Fishing With Grandma

Mercer Mayer

Level 2-3 Gentle

When I grow up

Mercer Mayer

Cover of When I grow up

When I grow up

Mercer Mayer

Level 2-3 Gentle

Little Critter's This is my school

Mercer Mayer

Cover of Little Critter's This is my school

Little Critter's This is my school

Mercer Mayer

Level 1-2 Gentle

My Big Sister

Mercer Mayer

Cover of My Big Sister

My Big Sister

Mercer Mayer

Level 2-3 Gentle

The Trip

Mercer Mayer

Cover of The Trip

The Trip

Mercer Mayer

Level K-1 Gentle

Little Critter's staying overnight

Mercer Mayer

Cover of Little Critter's staying overnight

Little Critter's staying overnight

Mercer Mayer

Level K-1 Gentle

Little Critter's little sister's birthday

Mercer Mayer

Cover of Little Critter's little sister's birthday

Little Critter's little sister's birthday

Mercer Mayer

Level 1-2 Gentle

Just a rainy day

Mercer Mayer

Cover of Just a rainy day

Just a rainy day

Mercer Mayer

Level 1-2 Gentle

Just a nap

Mercer Mayer

Cover of Just a nap

Just a nap

Mercer Mayer

Level 1-2 Gentle

Happy Easter, Little critter

Mercer Mayer

Cover of Happy Easter, Little critter

Happy Easter, Little critter

Mercer Mayer

Level 2-3 Gentle

Just grandma and me

Mercer Mayer

Cover of Just grandma and me

Just grandma and me

Mercer Mayer

Level 1-2 Gentle

Just grandpa and me

Mercer Mayer

Cover of Just grandpa and me

Just grandpa and me

Mercer Mayer

Level 1-2 Gentle

Just me and my babysitter

Mercer Mayer

Cover of Just me and my babysitter

Just me and my babysitter

Mercer Mayer

Level 1-2 Gentle

Just my friend and me

Mercer Mayer

Cover of Just my friend and me

Just my friend and me

Mercer Mayer

Level 1-2 Gentle

Baby Sister Says No

Mercer Mayer

Cover of Baby Sister Says No

Baby Sister Says No

Mercer Mayer

Level 1-2 Gentle

Just shopping with mom

Mercer Mayer

Cover of Just shopping with mom

Just shopping with mom

Mercer Mayer

Level 1-2 Gentle

Just a daydream

Mercer Mayer

Cover of Just a daydream

Just a daydream

Mercer Mayer

Level 2-3 Mild

Just me and my little brother

Mercer Mayer

Cover of Just me and my little brother

Just me and my little brother

Mercer Mayer

Level 2-3 Gentle

What a bad dream

Mercer Mayer

Cover of What a bad dream

What a bad dream

Mercer Mayer

Level 2-3 Gentle

Just a Piggy Bank

Mercer Mayer

Cover of Just a Piggy Bank

Just a Piggy Bank

Mercer Mayer

Level 2-3 Gentle

Just a Little Different

Mercer Mayer

Cover of Just a Little Different

Just a Little Different

Mercer Mayer

Level 2-3 Mild

Just a Bad Day

Mercer Mayer

Cover of Just a Bad Day

Just a Bad Day

Mercer Mayer

Level 2 Gentle

Just Like Dad

Mercer Mayer

Cover of Just Like Dad

Just Like Dad

Mercer Mayer

Level 2-3 Gentle

Taking Care of Mom

Mercer Mayer

Cover of Taking Care of Mom

Taking Care of Mom

Mercer Mayer

Level 2 Gentle

Little Critter sleeps over

Mercer Mayer

Cover of Little Critter sleeps over

Little Critter sleeps over

Mercer Mayer

Level 1 Gentle

The Best Present

Mercer Mayer

Cover of The Best Present

The Best Present

Mercer Mayer

Level 1-2 Gentle

This Is My Body

Mercer Mayer

Cover of This Is My Body

This Is My Body

Mercer Mayer

Level 2-3 Gentle

Little Critter's the night before Christmas

Mercer Mayer

Cover of Little Critter's the night before Christmas

Little Critter's the night before Christmas

Mercer Mayer

Level 3-4 Gentle

The little drummer mouse

Mercer Mayer

Cover of The little drummer mouse

The little drummer mouse

Mercer Mayer

Level 4-5 Gentle

Little Critter's the Picnic (Mercer Mayer's Little Critter)

Mercer Mayer

Cover of Little Critter's the Picnic (Mercer Mayer's Little Critter)

Little Critter's the Picnic (Mercer Mayer's Little Critter)

Mercer Mayer

Level K-1 Gentle

A yummy lunch

Mercer Mayer

Cover of A yummy lunch

A yummy lunch

Mercer Mayer

Level 1-2 Gentle

Our tree house

Mercer Mayer

Cover of Our tree house

Our tree house

Mercer Mayer

Level 1-2 Gentle

Goodnight, Little Critter

Mercer Mayer

Cover of Goodnight, Little Critter

Goodnight, Little Critter

Mercer Mayer

Level 1-2 Gentle

My trip to the hospital

Mercer Mayer

Cover of My trip to the hospital

My trip to the hospital

Mercer Mayer

Level 3 Mild

The lost dinosaur bone

Mercer Mayer

Cover of The lost dinosaur bone

The lost dinosaur bone

Mercer Mayer

Level 3-4 Gentle

It's Earth Day!

Mercer Mayer

Cover of It's Earth Day!

It's Earth Day!

Mercer Mayer

Level 2-3 Gentle

The Best Teacher Ever

Mercer Mayer

Cover of The Best Teacher Ever

The Best Teacher Ever

Mercer Mayer

Level 2-3 Gentle

Just a little music

Mercer Mayer

Cover of Just a little music

Just a little music

Mercer Mayer

Level 2-3 Gentle

The first day of school

Mercer Mayer

Cover of The first day of school

The first day of school

Mercer Mayer

Level 1-2 Gentle

Happy Mothers Day

Mercer Mayer

Cover of Happy Mothers Day

Happy Mothers Day

Mercer Mayer

Level 1-2 Gentle

Merry Christmas, Little Critter!

Mercer Mayer

Cover of Merry Christmas, Little Critter!

Merry Christmas, Little Critter!

Mercer Mayer

Level 1-2 Gentle

Happy Valentine's Day, little critter!

Mercer Mayer

Cover of Happy Valentine's Day, little critter!

Happy Valentine's Day, little critter!

Mercer Mayer

Level 1-2 Gentle

It's Easter, Little Critter!

Mercer Mayer

Cover of It's Easter, Little Critter!

It's Easter, Little Critter!

Mercer Mayer

Level 1-2 Gentle

A green, green garden

Mercer Mayer

Cover of A green, green garden

A green, green garden

Mercer Mayer

Level 2 Gentle

The Best Yard Sale

Mercer Mayer

Cover of The Best Yard Sale

The Best Yard Sale

Mercer Mayer

Level 1-2 Gentle

Just pick us, please!

Mercer Mayer

Cover of Just pick us, please!

Just pick us, please!

Mercer Mayer

Level 2-3 Gentle

Little Critter

Mercer Mayer

Cover of Little Critter

Little Critter

Mercer Mayer

Level 1-2 Gentle

Just me and my dad

Mercer Mayer

Cover of Just me and my dad

Just me and my dad

Mercer Mayer

Level 1-2 Gentle

Just me and my puppy

Mercer Mayer

Cover of Just me and my puppy

Just me and my puppy

Mercer Mayer

Level 1-2 Gentle

All by myself

Mercer Mayer

Cover of All by myself

All by myself

Mercer Mayer

Level 1-2 Gentle

I was so mad

Mercer Mayer

Cover of I was so mad

I was so mad

Mercer Mayer

Level 1-2 Gentle

Just go to bed

Mercer Mayer

Cover of Just go to bed

Just go to bed

Mercer Mayer

Level 2 Gentle

Me too!

Mercer Mayer

Cover of Me too!

Me too!

Mercer Mayer

Level 1-2 Gentle

I just forgot

Mercer Mayer

Cover of I just forgot

I just forgot

Mercer Mayer

Level 2 Gentle

Just going to the dentist

Mercer Mayer

Cover of Just going to the dentist

Just going to the dentist

Mercer Mayer

Level 2-3 Gentle

Just me and my mom

Mercer Mayer

Cover of Just me and my mom

Just me and my mom

Mercer Mayer

Level 2-3 Gentle

I am Sharing (Toddler Books)

Mercer Mayer

Cover of I am Sharing (Toddler Books)

I am Sharing (Toddler Books)

Mercer Mayer

Level 1-2 Gentle

Just a Special Thanksgiving

Mercer Mayer

Cover of Just a Special Thanksgiving

Just a Special Thanksgiving

Mercer Mayer

Level 2-3 Gentle

It's True

Mercer Mayer

Cover of It's True

It's True

Mercer Mayer

Level 2-3 Gentle

Being Thankful

Mercer Mayer

Cover of Being Thankful

Being Thankful

Mercer Mayer

Level 3-4 Gentle

We Love You, Little Critter!

Mercer Mayer

Cover of We Love You, Little Critter!

We Love You, Little Critter!

Mercer Mayer

Level K-1 Gentle

More Mercer Mayer titles in our catalog

Each is rated too; choosing one opens it in search.

  • 2-Minute Little Critter Storys (Two-Minute Stories) Level 2 · Gentle
  • A boy, a dog, a frog and a friend Level 2 · Gentle
  • A Boy, a Dog, and a Frog Level 2 · Gentle
  • A busy day Level 1-2 · Gentle
  • A Day at Camp, Level 2 (Little Critter First Readers) Level 1-2 · Gentle
  • A Silly Story Level 3 · Gentle
  • All That I Can Be Level 2 · Gentle
  • Appelard and Liverwurst Level 1-2 · Gentle
  • Backstage Pass (School Time Readers , No 6) Level 2 · Gentle
  • Bat child's haunted house Level 1-2 · Mild
  • Beach Day (Little Critter First Readers, Level 1) Level 2 · Gentle
  • Bubble bubble Level 1-2 · Gentle
  • Bun Bun's birthday Level 2 · Gentle
  • Bye-bye, Mom and Dad Level 1-2 · Gentle
  • Christmas for Miss Kitty Level 1-2 · Gentle
  • Class Trip (First Readers, Skills and Practice) Level 4-5 · Gentle
  • East of the Sun and West of the Moon Level 2 · Gentle
  • Feelings and manners Level 4-5 · Gentle
  • Field Day (First Readers, Skills and Practice) Level 4-5 · Gentle
  • Fireman Critter (Mercer Mayer Little Critter Board Book Series) Level K-1 · Mild
  • Frog, where are you? Level 2 · Gentle
  • Ghost of Goose Island, The (School Time Readers, No 5) Level 2 · Mild
  • Grandma's garden Level 1-2 · Gentle
  • Haunted House (Mercer Mayer's Lc + the Critter Kids, Mini Novel, No 7) Level 3 · Mild
  • How Trollusk Got His Hat Level 4-5 · Gentle
  • I am playing Level K-1 · Gentle
  • I Was So Mad (Mercer Mayer's Little Critter) Level 1-2 · Gentle
  • If I Had a Gorilla Level 2 · Gentle
  • Jaguar's Paw (Magic Days Books) Level 1-2 · Gentle
  • Just a Baby Bird Level 1-2 · Gentle
  • Just a Garden Kit Level 2 · Gentle
  • Just a Kite Level 2 · Gentle
  • Just A Little Love ( Little Critter) Level 1-2 · Gentle
  • Just a mess Level 1-2 · Gentle
  • Just an adventure at sea Level 1-2 · Gentle
  • Just Camping Out Level 2 · Mild
  • Just for You Level 2 · Gentle
  • Just Me and My Little Sister Level 1-2 · Gentle
  • Just My Brother, Sister, and Me Level 2 · Gentle
  • Little Critter - Just a Special Day Level 2 · Gentle
  • Little Critter Construction Playset Level 2 · Gentle
  • Little Critter First Reader Slipcase Level 1, Volume 2 (Mercer Mayer First Readers Skills and Practice, 4) Level 3 · Gentle
  • Little Critter First Reader Slipcase Level 2, Volume 1 (Mercer Mayer's First Readers) Level 3 · Gentle
  • Little Critter: Just a School Project (Spanish edition): Tan solo un proyecto escolar (Little Critter) Level 2-3 · Gentle
  • Little Critter: Just So Thankful (Spanish edition): Little Critter: Tan agradecido (Little Critter) Level 4 · Gentle
  • Little Critter's Day at the Farm Level 2 · Gentle
  • Little Critter's Family Album Level 4-5 · Gentle
  • Little Critter's Jack and the Beanstalk (Mercer Mayer's Little Critter) Level K-1 · Mild
  • Little Critter's read-it-yourself storybook Level 1-2 · Gentle
  • Little Critter's reading readiness Level 4-5 · Gentle
  • Little Critter's where is my frog? Level K-1 · Gentle
  • Little Critters: Just a Little Luck Level 2-3 · Gentle
  • Little Monster Private Eye Goes on Safari (Read and Play Time Sets) Level 1-2 · Gentle
  • Little monster's Mother Goose Level 2 · Mild
  • Little monster's neighborhood Level 1-2 · Gentle
  • Little Monster's Neighbourhood Level 2 · Gentle
  • Little monster's scratch and sniff mystery Level 1-2 · Gentle
  • Little Monster's Word Book (Little Monsters) Level 2 · Gentle
  • Little Sister's Bracelet (Little Critter Storybooks) Level 2 · Gentle
  • Mercer Mayer Math, Grade 2 Level 2 · Gentle
  • Mercer Mayer Math, PreK Level 2 · Gentle
  • Mercer Mayer Reading, Grade 1 Level 2 · Gentle
  • Mercer Mayer's Herbert the timid dragon. Level 2 · Gentle
  • Mercer Mayer's Little Critter's Vol. 2 Level K-1 · Gentle
  • Mercer Mayer's little monster treasury book Level 6 · Gentle
  • Merry Christmas mom and dad Level 1-2 · Gentle
  • My Teacher is a Vampire (Lc + the Critter Kids) Level 2 · Gentle
  • My trip to the farm. Level 1-2 · Gentle
  • Mystery at Big Horn Ranch Level 3 · Mild
  • On the Go Level 3 · Gentle
  • One Monster After Another Level 2 · Gentle
  • Pizza War (Merser Mayer"S Lc + the Critter Kids, Mini Novel, No 5) Level 3 · Gentle
  • Play Ball (First Readers, Skills and Practice) Level 2 · Gentle
  • Play It Safe Level 2 · Gentle
  • Professor Wormbog in Search for the Zipperump-a-Zoo Level 2 · Gentle
  • Roast and Toast (Critters of the Night) Level 1-2 · Gentle
  • Secret Code, The (Lc + the Critter Kids) Level 3 · Gentle
  • Show and tell Level 1-2 · Gentle
  • Snowball soup Level 2 · Gentle
  • The Bravest Knight Level 2 · Gentle
  • The E-Mail Mystery (Mercer Mayer's Lc + the Critter Kids, Mini Novel, No 8) Level 3 · Mild 2 editions
  • The Fall Festival Level 2 · Gentle
  • The New Baby (Golden Look-Look Books) Level 2 · Mild
  • The new fire truck Level 1-2 · Gentle
  • The Pied Piper of Hamelin Level 2 · Moderate
  • The Purple Kiss (Lc + the Critter Kids) Level 3 · Gentle
  • There's a Nightmare in My Closet Level 2 · Gentle
  • There's Something in My Attic Level 1-2 · Mild
  • There's something spooky in my attic Level 2 · Mild
  • There's Something Spooky in My Attic (Picturemac) Level 2 · Mild
  • These Are My Pets Level 2 · Gentle
  • This Is My Friend Level 2 · Gentle
  • Top Dog (Lc + the Critter Kids) Level 3 · Gentle
  • Two more moral tales. Level 1-2 · Gentle
  • What Do You Do With a Kangaroo Level 1-2 · Gentle
  • When I get bigger Level 1-2 · Gentle 2 editions
  • Where's My Sneaker? Level 1-2 · Gentle
  • Wizard Comes to Town (Mercer Mayer Picture Books) Level 2 · Gentle
  • You go first Level 3-4 · Gentle
  • You're the Scaredy-Cat Level 1-2 · Mild
  • Yummy Lunch (First Readers, Skills and Practice) Level 1-2 · Gentle

Questions about Mercer Mayer's books

What reading level are Mercer Mayer's books?
Mercer Mayer's reviewed books range from Grade 0–5, with the typical book at Grade 2. Each title has a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.
Are Mercer Mayer's books appropriate for sensitive readers?
All 64 of Mercer Mayer's reviewed books are at Gentle or Mild intensity — safe for sensitive readers. None are rated Intense or Very Intense. Average intensity: 1/5.
What age are Mercer Mayer's books appropriate for?
Mercer Mayer's reviewed books target Ages 5-8. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.