There are a number of underwear books for kids Laura Gehl is the author of One Big Pair of Underwear, illustrated by Tom Lichtenheld, which released in 2014.
9 WILD About Reading ideas childrens books, picture book, books
Creepy Pair of Underwear! by Aaron Reynolds, Peter Brown, Hardcover
Santa's Underwear - Cherry Lake Publishing Group
One Big Pair of Underwear: 9781442453364: Gehl, Laura, Lichtenheld, Tom: Books
One Big Pair of Underwear
READ ALOUD: One BIG Pair of UNDERWEAR!
40 Fun Picture Books About Counting That Kids Actually Love!
Cat Sees Snow, Book by Laura Gehl, Fred Blunt, Official Publisher Page
7 Underwear Books for Kids: Including One Big Pair of Underwear – The Children's Book Review
Kit includes MerryMakers Jasper Rabbit 14 Plush, Creepy Pair of Underwear! Hardcover by Aaron Reynolds (Author), Peter Brown (Illustrator), and
Creepy Tales! Gift Set Includes Creepy Pair of Underwear! Hardcover by Aaron Reynolds, Peter Brown, Jasper Rabbit 14” Plush, and Activity Pages