Books by Mo Willems
13 books by Mo Willems have full reviews here; all 42 Mo Willems titles and editions in our catalog are rated for reading level and content intensity.
Mo Willems has 13 books with full reviews on HootRated, spanning Grade 1–6 reading level. The typical Mo Willems book lands at Grade 2, with average content intensity 1.1/5. Most Mo Willems titles fall within the Elephant & Piggie series.
Reading level alone doesn't tell parents whether a Mo Willems book is right for a child. All of Mo Willems'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.
Goldilocks and the three dinosaurs
Mo Willems
Goldilocks and the three dinosaurs
Mo Willems
Don't Let the Pigeon Drive the Bus!
Mo Willems
Don't Let the Pigeon Drive the Bus!
Mo Willems
Edwina, the dinosaur who didn't know she was extinct
Mo Willems
Edwina, the dinosaur who didn't know she was extinct
Mo Willems
Sam, the most scaredy-cat kid in the whole world
Mo Willems
Sam, the most scaredy-cat kid in the whole world
Mo Willems
My Friend is Sad (Elephant and Piggie)
Mo Willems
My Friend is Sad (Elephant and Piggie)
Mo Willems
I am invited to a party!
Mo Willems
I am invited to a party!
Mo Willems
We Are in a Book! (Elephant & Piggie)
Mo Willems
We Are in a Book! (Elephant & Piggie)
Mo Willems
Should I share my ice cream?
Mo Willems
Should I share my ice cream?
Mo Willems
Let's go for a drive!
Mo Willems
Let's go for a drive!
Mo Willems
A big guy took my ball! sike
Mo Willems
A big guy took my ball! sike
Mo Willems
The pigeon needs a bath!
Mo Willems
The pigeon needs a bath!
Mo Willems
I will take a nap!
Mo Willems
I will take a nap!
Mo Willems
I Really Like Slop!
Mo Willems
I Really Like Slop!
Mo Willems
More Mo Willems titles in our catalog
Each is rated too; choosing one opens it in search.
- A Big Guy Took My Ball Level 3 · Gentle
- Can I Play Too? Level 3 · Gentle
- Don't Let the Pigeon Finish This Activity Book! Level 6 · Gentle
- Don't let the pigeon stay up late! Level 2 · Gentle
- Elephants cannot dance! Level 1 · Gentle
- I Broke My Trunk! (An Elephant and Piggie Book) Level 1-2 · Gentle
- I love my new toy! Level 3 · Mild
- I will surprise my friend! Level 3 · Gentle
- I'm a frog! Level 3 · Gentle
- It's My Bird-Day! Level 2 · Gentle
- It's shoe time! Level 1-2 · Gentle
- Nanette's baguette Level 1-2 · Gentle
- Opposites Abstract Level 1-2 · Gentle
- Pigeon Loves Things That Go!, The Level 2-3 · Gentle
- The duckling gets a cookie!? Level 2 · Gentle
- The Pigeon finds a hot dog! Level 1-2 · Gentle
- The Pigeon Finds a Hotdog! Level 1-2 · Gentle
- The thank you book Level 1-2 · Gentle
- There Is a Bird On Your Head! (An Elephant and Piggie Book) (Elephant and Piggie) Level 1-2 · Gentle
- Time to Say "Please"! Level 2 · Gentle
- Time to sleep Sheep the Sheep! Level 1-2 · Gentle
- Today I will fly! Level 1 · Gentle
- Watch me throw the ball! Level 3 · Gentle
- We are growing! Level 1-2 · Gentle
- What's your sound, Hound the Hound? Level 1-2 · Gentle
- Who is that, cat the cat? Level K-1 · Gentle
- Who says that, Cat the cat? Level K-1 · Gentle
- Who sleeps, Cat the cat? Level K-1 · Gentle
- Will the pigeon graduate? Level 2 · Gentle
Questions about Mo Willems's books
- What reading level are Mo Willems's books?
- Mo Willems's reviewed books range from Grade 1–6, 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 Mo Willems's books appropriate for sensitive readers?
- All 13 of Mo Willems's reviewed books are at Gentle or Mild intensity — safe for sensitive readers. None are rated Intense or Very Intense. Average intensity: 1.1/5.
- What age are Mo Willems's books appropriate for?
- Mo Willems's reviewed books target Ages 5-8 and Ages 9-12. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.