Get our latest book recommendations, author news, competitions, offers, and other information right to your inbox.
Table of Contents
About The Book
Perfect for fans of Creepy Pair of Underwear, this wolfish picture book romp follows a kid who finds himself in a hairy situation when he dons a pair of not-so-normal undies under the light of the full moon.
Do not, under any circumstances,
Or for any reason,
Wear this underwear under the full moon.
Do you understand?
Get ready to howl with laughter as one rule-breaking, underwear-loving kid transforms into a—gasp!—UNDERWEARWOLF! Now he’s on an unforgettable nighttime adventure that may or may not include furry paws, sharp claws, uncomfortable wedgies, and an honest-to-goodness wild wolfpack! No butts about it—this is one read-aloud that’ll blow your undies off!
Do not, under any circumstances,
Or for any reason,
Wear this underwear under the full moon.
Do you understand?
Get ready to howl with laughter as one rule-breaking, underwear-loving kid transforms into a—gasp!—UNDERWEARWOLF! Now he’s on an unforgettable nighttime adventure that may or may not include furry paws, sharp claws, uncomfortable wedgies, and an honest-to-goodness wild wolfpack! No butts about it—this is one read-aloud that’ll blow your undies off!
About The Author
Photograph by Sam Falconi
Gideon Sterer is the New York Times bestselling author of The Christmas Owl, I Will Read to You, From Ed’s to Ned’s, Not Your Nest!, The Night Knights, and The Midnight Fair, among others. Gideon grew up in upstate New York, where his parents owned a little zoo in which he would run around after hours and let the animals out. He now lives in the Hudson Valley and invites you to visit him online at GideonSterer.com and on X.
About The Illustrator
Charles Santoso loves drawing little things in his little journal. He gathers inspiration from his childhood memories and curiosities he discovers in his everyday travels. He has illustrated several picture books, including The Snurtch, I Don’t Like Koala, Finding Muchness, and Ida, Always. Charles also works as a visual development artist, creating illustrations for feature film projects. He lives and works in Singapore. You can visit him at CharlesSantoso.com.
Product Details
- Publisher: Simon & Schuster Books for Young Readers (May 12, 2026)
- Length: 32 pages
- ISBN13: 9781665955591
- Ages: 4 - 8
Browse Related Books
Raves and Reviews
A KIDS' INDIE NEXT LIST PICK
★ "Best read beneath a gibbous moon to truly make your intended audience howl…with laughter."
– Kirkus, STARRED REVIEW
"Sterer and Santoso mash the monstrous and the truly mundane in this gleeful picture book outing."
– Publishers Weekly
Resources and Downloads
High Resolution Images
-
Book Cover Image (jpg): The Underwearwolf
Fixed Layout eBook 9781665955591
-
Author Photo (jpg): Gideon Sterer Photograph by Sam Falconi(0.1 MB)
Any use of an author photo must include its respective photo credit
