Order of Book Series
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Mo Willems Books in Order

Mo Willems has written 89 books, published between 1994 and 2026. The first book is The Pigeon Has Feelings, Too! (1994) and the newest is The Pigeon WON'T Pick a Color! (2026). One more title is announced: Today, I Will Make a Plan! (2027). Publication order is the reading order below.

Books
89 + 1 announced
Published
1994–2026
Pages on record
2,593 in 45 of 90 books
Reading time
43–65 hours

Reading time is an estimate, not a recorded figure: 2,593 pages at 300 words a page, read at 200–300 words a minute, covering the 45 of 90 titles with a page count on record.

See all 90 books in order Printable Mo Willems checklistNext: Today, I Will Make a Plan! (2027)
Photo of Mo Willems, author

Mo Willems makes picture books and early readers, funny and animal-led: the Pigeon books, Elephant & Piggie, Knuffle Bunny, Cat the Cat, Unlimited Squirrels and Leonardo. Friendship and emotions are the recurring subjects, and the books are short, a median of 57 pages. Ninety catalogued titles run from 1994 through Don't Let the Pigeon Drive the Bus! (2003) and Knuffle Bunny (2004) to The Pigeon WON'T Pick a Color!, with another title scheduled for 2027.

How many Mo Willems books are there?

Mo Willems has 89 published books, released between 1994 and 2026. They include 9 series and 19 titles listed outside any series. One more, Today, I Will Make a Plan! (2027), is announced.

Mo Willems Books in Publication Order

The table lists all 90 Mo Willems books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. Cover of The Pigeon Has Feelings, Too! by Mo Willems, book 1 of the Pigeon series (1994)
  2. Cover of Are You Ready to Play Outside? by Mo Willems, book 1 of the Elephant & Piggie series (2001)
  3. Cover of Time to Pee! by Mo Willems, book 1 of the Time to... series (2003)
  4. Cover of Don't Let the Pigeon Drive the Bus! by Mo Willems, book 2 of the Pigeon series (2003)
  5. Cover of Knuffle Bunny by Mo Willems, book 1 of the Knuffle Bunny series (2004)
  6. Cover of Time to Say by Mo Willems, book 2 of the Time to... series (2005)
  7. Cover of The Pigeon Finds a Hot Dog! by Mo Willems, book 3 of the Pigeon series (2005)
  8. Cover of The Pigeon Loves Things That Go! by Mo Willems, book 4 of the Pigeon series (2005)
  9. Cover of You Can Never Find a Rickshaw When It Monsoons by Mo Willems (2006)
  10. Cover of Don't Let the Pigeon Stay Up Late! by Mo Willems, book 5 of the Pigeon series (2006)
  11. Cover of Knuffle Bunny Too by Mo Willems, book 2 of the Knuffle Bunny series (2007)
  12. Cover of My Friend Is Sad by Mo Willems, book 2 of the Elephant & Piggie series (2007)
  13. Cover of Today I Will Fly! by Mo Willems, book 3 of the Elephant & Piggie series (2007)
  14. Cover of My Friend is Sad by Mo Willems, book 4 of the Elephant & Piggie series (2007)
  15. Cover of I am Invited to a Party! by Mo Willems, book 5 of the Elephant & Piggie series (2007)
  16. Cover of There Is a Bird on Your Head! by Mo Willems, book 6 of the Elephant & Piggie series (2007)
  17. Cover of Pigeon Wants a Puppy! by Mo Willems, book 6 of the Pigeon series (2008)
  18. Cover of Are You Ready To Play Outside? by Mo Willems (2008)
  19. Cover of I Love My New Toy! by Mo Willems, book 7 of the Elephant & Piggie series (2008)
  20. Cover of I Will Surprise My Friend! by Mo Willems, book 8 of the Elephant & Piggie series (2008)
  21. Cover of Naked Mole Rat Gets Dressed by Mo Willems (2009)
  22. Cover of Watch Me Throw the Ball! by Mo Willems, book 9 of the Elephant & Piggie series (2009)
  23. Cover of Elephants Cannot Dance! by Mo Willems, book 10 of the Elephant & Piggie series (2009)
  24. Cover of Pigs Make Me Sneeze! by Mo Willems, book 11 of the Elephant & Piggie series (2009)
  1. 1
    The Pigeon Has Feelings, Too!Pigeon #11994 · confirmed 2/4
    1994–
    Buy at Amazon USAmazon UK
  2. 2
    Are You Ready to Play Outside?Elephant & Piggie #12001 · confirmed 1/4
    2001–
    Buy at Amazon USAmazon UK
  3. 3
    Time to Pee!Time to... #12003 · 40 pages · confirmed 1/4
    200340
    Buy at Amazon USAmazon UK
  4. 4
    Don't Let the Pigeon Drive the Bus!Pigeon #22003 · 40 pages · confirmed 2/4
    200340
    Buy at Amazon USAmazon UK
  5. 5
    Knuffle BunnyKnuffle Bunny #12004 · 40 pages · confirmed 1/4
    200440
    Buy at Amazon USAmazon UK
  6. 6
    Leonardo, the Terrible MonsterLeonardo #12005 · confirmed 1/4
    2005–
    Buy at Amazon USAmazon UK
  7. 7
    Time to SayTime to... #22005 · 40 pages · confirmed 1/4
    200540
    Buy at Amazon USAmazon UK
  8. 8
    The Pigeon Finds a Hot Dog!Pigeon #32005 · confirmed 2/4
    2005–
    Buy at Amazon USAmazon UK
  9. 9
    The Pigeon Loves Things That Go!Pigeon #42005 · 12 pages · confirmed 2/4
    200512
    Buy at Amazon USAmazon UK
  10. 10
    You Can Never Find a Rickshaw When It Monsoons2006 · confirmed 1/4
    2006–
    Buy at Amazon USAmazon UK
  11. 11
    Don't Let the Pigeon Stay Up Late!Pigeon #52006 · 25 pages · confirmed 2/4
    200625
    Buy at Amazon USAmazon UK
  12. 12
    Knuffle Bunny TooKnuffle Bunny #22007 · 48 pages · confirmed 1/4
    200748
    Buy at Amazon USAmazon UK
  13. 13
    My Friend Is SadElephant & Piggie #22007 · 64 pages · confirmed 1/4
    200764
    Buy at Amazon USAmazon UK
  14. 14
    Today I Will Fly!Elephant & Piggie #32007 · 57 pages · confirmed 2/4
    200757
    Buy at Amazon USAmazon UK
  15. 15
    My Friend is SadElephant & Piggie #42007 · 64 pages · confirmed 2/4
    200764
    Buy at Amazon USAmazon UK
  16. 16
    I am Invited to a Party!Elephant & Piggie #52007 · 56 pages · confirmed 2/4
    200756
    Buy at Amazon USAmazon UK
  17. 17
    There Is a Bird on Your Head!Elephant & Piggie #62007 · 64 pages · confirmed 2/4
    200764
    Buy at Amazon USAmazon UK
  18. 18
    Pigeon Wants a Puppy!Pigeon #62008 · 40 pages · confirmed 1/4
    200840
    Buy at Amazon USAmazon UK
  19. 19
    Are You Ready To Play Outside?2008 · confirmed 1/4
    2008–
    Buy at Amazon USAmazon UK
  20. 20
    I Love My New Toy!Elephant & Piggie #72008 · confirmed 2/4
    2008–
    Buy at Amazon USAmazon UK
  21. 21
    I Will Surprise My Friend!Elephant & Piggie #82008 · 64 pages · confirmed 2/4
    200864
    Buy at Amazon USAmazon UK
  22. 22
    Naked Mole Rat Gets Dressed2009 · confirmed 1/4
    2009–
    Buy at Amazon USAmazon UK
  23. 23
    Big Frog Can't Fit In2009 · confirmed 1/4
    2009–
    Buy at Amazon USAmazon UK
  24. 24
    Watch Me Throw the Ball!Elephant & Piggie #92009 · confirmed 2/4
    2009–
    Buy at Amazon USAmazon UK
  25. 25
    Elephants Cannot Dance!Elephant & Piggie #102009 · 57 pages · confirmed 2/4
    200957
    Buy at Amazon USAmazon UK
  26. 26
    Pigs Make Me Sneeze!Elephant & Piggie #112009 · 64 pages · confirmed 2/4
    200964
    Buy at Amazon USAmazon UK
  27. 27
    Cat the Cat Who Is That?Cat the Cat #12010 · confirmed 1/4
    2010–
    Buy at Amazon USAmazon UK
  28. 28
    Let's Say Hi to Friends Who Fly!Cat the Cat #22010 · confirmed 1/4
    2010–
    Buy at Amazon USAmazon UK
  29. 29
    Knuffle Bunny FreeKnuffle Bunny #32010 · confirmed 1/4
    2010–
    Buy at Amazon USAmazon UK
  30. 30
    What's Your Sound, Hound the Hound?Cat the Cat #32010 · confirmed 1/4
    2010–
    Buy at Amazon USAmazon UK

Mo Willems series and characters in order

Each link below opens a reading-order page with every book in publication order.

Mo Willems books grouped by series

Each title below is a row in the publication-order table above. A group whose heading is a link has its own reading-order page; the other groups have no page of their own on this site.

Elephant & Piggie books in order

27 books by Mo Willems
  1. 1. Are You Ready to Play Outside?
  2. 2. My Friend Is Sad
  3. 3. Today I Will Fly!
  4. 4. My Friend is Sad
  5. 5. I am Invited to a Party!
  6. 6. There Is a Bird on Your Head!
  7. 7. I Love My New Toy!
  8. 8. I Will Surprise My Friend!
  9. 9. Watch Me Throw the Ball!
  10. 10. Elephants Cannot Dance!
  11. 11. Pigs Make Me Sneeze!
  12. 12. I am Going!
  13. and 15 more in the table above

Elephant & Piggie Like Reading! in order

9 books
  1. 1. The Cookie Fiasco
  2. 2. We Are Growing!
  3. 3. The Good for Nothing Button
  4. 4. It's Shoe Time!
  5. 5. The Itchy Book!
  6. 6. Harold & Hog Pretend For Real!
  7. 7. What About Worms!?
  8. 8. I'm On It!
  9. 9. It's a Sign!

Unlimited Squirrels in order

5 books
  1. 1. I Lost My Tooth!
  2. 2. Who is the Mystery Reader?
  3. 3. I Want to Sleep Under the Stars!
  4. 4. Guess What!?
  5. 5. The FRUSTRATING Book!

Cat the Cat in order

4 books
  1. 1. Cat the Cat Who Is That?
  2. 2. Let's Say Hi to Friends Who Fly!
  3. 3. What's Your Sound, Hound the Hound?
  4. 4. Time to Sleep, Sheep the Sheep!

Time to... in order

2 books
  1. 1. Time to Pee!
  2. 2. Time to Say

Leonardo in order

2 books
  1. 1. Leonardo, the Terrible Monster
  2. 2. Sam, the Most Scaredy-cat Kid in the Whole World

Snake & Bat in order

2 books
  1. 1. What Will We Find in This Box?
  2. 2. Today, I Will Make a Plan!

Standalone books

19 books

19 Mo Willems titles here are not listed as part of any series.

Do you have to read Mo Willems books in order?

You only need to read Mo Willems books in order within each series: the books listed here span 9 separate series, and each series has its own publication order.

Where to start with Mo Willems

Start with the first book of the Mo Willems series you want to read: Pigeon starts with The Pigeon Has Feelings, Too! (1994), Knuffle Bunny starts with Knuffle Bunny (2004) and Elephant & Piggie starts with Are You Ready to Play Outside? (2001). The earliest catalogued title overall is The Pigeon Has Feelings, Too! (1994).

What is the newest Mo Willems book?

The Pigeon WON'T Pick a Color! (2026) is the newest Mo Willems book released so far.

Is there a new Mo Willems book coming?

Yes. Today, I Will Make a Plan! (2027) is the next Mo Willems book announced in the catalogue. A publication year announced this far ahead moves, so it is worth rechecking: every announced title dated after 2026 sits on the upcoming book releases page.

Awards Mo Willems has won

Wikidata records 2 awards for Mo Willems. Each row states whether the title won or was shortlisted, and the year the award was given.

  • Prix Bernard Versele Family League2009Won
  • Geisel Award2008Won

Mo Willems at a glance

Still publishing
Mo Willems is still publishing. Today, I Will Make a Plan! is announced for 2027.
Release pace
Mo Willems books have appeared more than one a year on average.
Length
2,593 pages across the 45 of 90 books with a recorded length, a median of 57 pages each.
Busiest decade
Most Mo Willems books, 42 of 90, were published in the 2010s.

What the Mo Willems books are about

80 of the 90 Mo Willems books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: children's fiction is tagged on 45 of 80. The subjects are cataloguers’ headings, not a plot summary.