9780439021517 | Mus brdbk edition (Cartwheel Books, July 1, 2007), cover price $7.99 | About this edition: An excited mother duck builds a nest, lays some eggs, and waits for them to hatch into noisy ducklings.

9780439021524 | Mus brdbk edition (Cartwheel Books, July 1, 2007), cover price $7.99 | About this edition: A tadpole named Freddie wants legs like the frogs he sees, so he takes a frog's advice and eats all that he can.

9780810903791 | Harry N Abrams Inc, January 1, 2002, cover price $14.95 | About this edition: All week long, everybody in her family is too busy to play with a little girl, but they promise her great fun when Sunday arrives, in a tale with a removable miniature book.

9780711214996 | Frances Lincoln Childrens Books, April 1, 2000, cover price $19.99 | About this edition: How many monsters are standing on their heads?

9780711215009 | Frances Lincoln Childrens Books, January 1, 2002, cover price $8.99 | About this edition: Introduces the numbers one through ten as young readers are asked to count colorful monsters and open flaps to reveal answers.

9781845071967 | Ltf edition (Frances Lincoln Childrens Books, January 1, 2002), cover price $7.95 | About this edition: Designed to help young children learn to count from one to ten, this publication features a number of hilarious monsters who steal cakes, pick their noses, hide under the bed and stick out their tongues.