What reading level are Suzy Kline's books?

Suzy Kline's books in HootRated's catalog range from Grade 2–4 reading level, with the typical book landing at Grade 3. 19 rated titles by Suzy Kline, each with a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.

Are Suzy Kline's books appropriate for sensitive readers?

19 of Suzy Kline's 19 rated books are at Gentle or Mild intensity (100%) — appropriate for sensitive readers. 0 (0%) are rated Intense or Very Intense. Average content intensity across Suzy Kline's rated catalog is 1.1/5.

What age are Suzy Kline's books appropriate for?

Suzy Kline's rated books target Ages 5–8. HootRated rates each book on two axes — reading level (text difficulty) and content intensity (emotional weight) — so parents of advanced readers or sensitive kids can pick what matches both dimensions, not just one.

Books by Suzy Kline

70 books by Suzy Kline, rated for reading level and content intensity.

Suzy Kline has 19 rated books in HootRated's catalog spanning Grade 2–4 reading level. The typical Suzy Kline book lands at Grade 3, with average content intensity 1.1/5. Most Suzy Kline titles fall within the Horrible Harry series.

Reading level alone doesn't tell parents whether a Suzy Kline book is right for a child. 100% of Suzy Kline's rated titles are at Gentle or Mild intensity — appropriate for sensitive readers or kids reading ahead of their emotional readiness. 0% 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.

Horrible Harry in room 2B

Suzy Kline

Horrible Harry in room 2B

Suzy Kline

Level 3-4 Gentle

Herbie Jones and the birthday showdown

Suzy Kline

Herbie Jones and the birthday showdown

Suzy Kline

Level 3

The hole book

Suzy Kline

The hole book

Suzy Kline

Level 1-2

Marvin and the mean words

Suzy Kline

Marvin and the mean words

Suzy Kline

Level 3

Molly gets mad

Suzy Kline

Molly gets mad

Suzy Kline

Level 3

Herbie Jones moves on

Suzy Kline

Herbie Jones moves on

Suzy Kline

Level 3

Mary Marony and the Snake

Suzy Kline

Mary Marony and the Snake

Suzy Kline

Level 2-3

Mary Marony Hides Out

Suzy Kline

Mary Marony Hides Out

Suzy Kline

Level 3-4

Mary Marony, mummy girl

Suzy Kline

Mary Marony, mummy girl

Suzy Kline

Level 3-4

Horrible Harry goes to sea!

Suzy Kline

Horrible Harry goes to sea!

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the dragon war

Suzy Kline

Horrible Harry and the dragon war

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the Mud Gremlins

Suzy Kline

Horrible Harry and the Mud Gremlins

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the holidaze

Suzy Kline

Horrible Harry and the holidaze

Suzy Kline

Level 3

Horrible Harry and the locked closet

Suzy Kline

Horrible Harry and the locked closet

Suzy Kline

Level 3-4 Gentle

Horrible Harry and The Goog

Suzy Kline

Horrible Harry and The Goog

Suzy Kline

Level 3 Gentle

Horrible Harry and the ant invasion

Suzy Kline

Horrible Harry and the ant invasion

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the Christmas surprise

Suzy Kline

Horrible Harry and the Christmas surprise

Suzy Kline

Level 2-3 Gentle

Song Lee and the Leech Man

Suzy Kline

Song Lee and the Leech Man

Suzy Kline

Level 3

Horrible Harry and the dungeon

Suzy Kline

Horrible Harry and the dungeon

Suzy Kline

Level 3-4 Gentle

Horrible Harry at Halloween

Suzy Kline

Horrible Harry at Halloween

Suzy Kline

Level 3-4 Gentle

Herbie Jones and Hamburger Head

Suzy Kline

Herbie Jones and Hamburger Head

Suzy Kline

Level 4-5

Song Lee and the hamster hunt

Suzy Kline

Song Lee and the hamster hunt

Suzy Kline

Level 3

Horrible Harry and the dungeon

Suzy Kline

Horrible Harry and the dungeon

Suzy Kline

Level 3

Horrible Harry goes to the moon

Suzy Kline

Horrible Harry goes to the moon

Suzy Kline

Level 2-3 Gentle

Horrible Harry and the Mud Gremlins

Suzy Kline

Horrible Harry and the Mud Gremlins

Suzy Kline

Level 3

Horrible Harry and the Green Slime

Suzy Kline

Horrible Harry and the Green Slime

Suzy Kline

Level 3

Horrible Harry's Secret

Suzy Kline

Horrible Harry's Secret

Suzy Kline

Level 3

Horrible Harry And The Goog

Suzy Kline

Horrible Harry And The Goog

Suzy Kline

Level 3

Horrible Harry and the triple revenge

Suzy Kline

Horrible Harry and the triple revenge

Suzy Kline

Level 1-2

Horrible Harry cracks the code

Suzy Kline

Horrible Harry cracks the code

Suzy Kline

Level 3 Gentle

Horrible Harry goes cuckoo

Suzy Kline

Horrible Harry goes cuckoo

Suzy Kline

Level 3 Gentle

Horrible Harry and the scarlet scissors

Suzy Kline

Horrible Harry and the scarlet scissors

Suzy Kline

Level 2-3 Mild

Horrible Harry and the battle of the bugs

Suzy Kline

Horrible Harry and the battle of the bugs

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the field day revenge

Suzy Kline

Horrible Harry and the field day revenge

Suzy Kline

Level 3

Marvin and the mean words

Suzy Kline

Marvin and the mean words

Suzy Kline

Level 3

Herbie Jones

Suzy Kline

Herbie Jones

Suzy Kline

Level 4-5

Herbie Jones and the Birthday Showdown

Suzy Kline

Herbie Jones and the Birthday Showdown

Suzy Kline

Level 3

Herbie Jones superhero

Suzy Kline

Herbie Jones superhero

Suzy Kline

Level 4-5

Horrible Harry at Halloween

Suzy Kline

Horrible Harry at Halloween

Suzy Kline

Level 3

Horrible Harry and the dragon war

Suzy Kline

Horrible Harry and the dragon war

Suzy Kline

Level 3

Horrible Harry and the holidaze

Suzy Kline

Horrible Harry and the holidaze

Suzy Kline

Level 3

Horrible Harry and the top-secret hideout

Suzy Kline

Horrible Harry and the top-secret hideout

Suzy Kline

Level 3

Horrible Harry and the birthday girl

Suzy Kline

Horrible Harry and the birthday girl

Suzy Kline

Level 3-4 Gentle

Horrible Harry says goodbye

Suzy Kline

Horrible Harry says goodbye

Suzy Kline

Level 3

Horrible Harry and the dead letters

Suzy Kline

Horrible Harry and the dead letters

Suzy Kline

Level 3

Horrible Harry on the ropes

Suzy Kline

Horrible Harry on the ropes

Suzy Kline

Level 3

Horrible Harry moves up to third grade

Suzy Kline

Horrible Harry moves up to third grade

Suzy Kline

Level 3

Horrible Harry in room 2B

Suzy Kline

Horrible Harry in room 2B

Suzy Kline

Level 3

Horrible Harry and the Christmas surprise

Suzy Kline

Horrible Harry and the Christmas surprise

Suzy Kline

Level 3

Song Lee and the I Hate You Note

Suzy Kline

Song Lee and the I Hate You Note

Suzy Kline

Level 4-5

Horrible Harry and the Purple People

Suzy Kline

Horrible Harry and the Purple People

Suzy Kline

Level 3

Marvin and the Meanest Girl

Suzy Kline

Marvin and the Meanest Girl

Suzy Kline

Level 3

Molly's in a Mess

Suzy Kline

Molly's in a Mess

Suzy Kline

Level 3

Horrible Harry goes cuckoo

Suzy Kline

Horrible Harry goes cuckoo

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the secret treasure

Suzy Kline

Horrible Harry and the secret treasure

Suzy Kline

Level 3-4 Gentle

Horrible Harry and the June box

Suzy Kline

Horrible Harry and the June box

Suzy Kline

Level 3-4

Horrible Harry and the scarlet scissors

Suzy Kline

Horrible Harry and the scarlet scissors

Suzy Kline

Level 3-4

Horrible Harry and the stolen cookie

Suzy Kline

Horrible Harry and the stolen cookie

Suzy Kline

Level 3-4

Horrible Harry and the missing diamond

Suzy Kline

Horrible Harry and the missing diamond

Suzy Kline

Level 1-2

Horrible Harry and the hallway bully

Suzy Kline

Horrible Harry and the hallway bully

Suzy Kline

Level 3-4 Mild

Horrible Harry and the wedding spies

Suzy Kline

Horrible Harry and the wedding spies

Suzy Kline

Level 3

Horrible Harry and the Triple Revenge (Horrible Harry)

Suzy Kline

Horrible Harry and the Triple Revenge (Horrible Harry)

Suzy Kline

Level 3

Horrible Harry Cracks the Code

Suzy Kline

Horrible Harry Cracks the Code

Suzy Kline

Level 3

Horrible Harry Bugs the Three Bears

Suzy Kline

Horrible Harry Bugs the Three Bears

Suzy Kline

Level 3

Marvin and the mean words

Suzy Kline

Marvin and the mean words

Suzy Kline

Level 3

Molly's In a Mess

Suzy Kline

Molly's In a Mess

Suzy Kline

Level 3

Horrible Harry and the Ant Invasion

Suzy Kline

Horrible Harry and the Ant Invasion

Suzy Kline

Level 3

Horrible Harry and the Christmas Surprise

Suzy Kline

Horrible Harry and the Christmas Surprise

Suzy Kline

Level 3

What's the Matter With Herbie Jones?

Suzy Kline

What's the Matter With Herbie Jones?

Suzy Kline

Level 5

Herbie Jones

Suzy Kline

Herbie Jones

Suzy Kline

Level 3

Questions about Suzy Kline's books

What reading level are Suzy Kline's books?: Suzy Kline's rated books range from Grade 2–4, with the typical book at Grade 3. Each title has a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.
Are Suzy Kline's books appropriate for sensitive readers?: 19 of Suzy Kline's 19 rated books (100%) are at Gentle or Mild intensity — safe for sensitive readers. 0 (0%) are rated Intense or Very Intense. Average intensity: 1.1/5.
What age are Suzy Kline's books appropriate for?: Suzy Kline's rated books target Ages 5–8. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.