McElligot's Pool

McElligot's Pool
The front cover of McElligot's Pool, designed by Dr. Seuss
AuthorDr. Seuss
LanguageEnglish
PublisherRandom House
Publication date
1947 (renewed in 1974)
Publication placeUnited States
Media typePrint
Pages64 pages
ISBN978-0-394-80083-7
Preceded byHorton Hatches the Egg 
Followed byThidwick the Big-Hearted Moose 

McElligot's Pool is a children's book written and illustrated by Theodor Geisel under the pen name Dr. Seuss and published by Random House in 1947. In the story, a boy named Marco, who first appeared in Geisel's 1937 book And to Think That I Saw It on Mulberry Street, imagines a wide variety of fantastic fish that could be swimming in the pond in which he is fishing. It later became one of the Seuss books featured in the Broadway musical Seussical where its story is used for the song "It's Possible".