B is for Books!

From Muppet Wiki

Written by	Annie Cobb
Illustrator	Joe Mathieu
Published	1996
Publisher	Random House
Series	Step Into Reading: Preschool and Kindergarten Step 1 (reprint)
ISBN	0679864466

Slimey the Worm presents all the books that he likes to read -- counting books, bird books, poetry books and atlases. It turns out that Slimey is a bookworm.

Reprint

The book was reprinted in 2008 with a new cover featuring Elmo. (ISBN 9780679864462)