9789681660192 | Fondo De Cultura Economica USA, July 1, 2002, cover price $16.99 | About this edition: Lives briefly intertwine when two youngsters meet in the park

9789681664435 | Fondo De Cultura Economica USA, January 1, 2002, cover price $14.99 | About this edition: A child describes the many wonderful things about 'my dad,' who can jump over the moon, swim like a fish, and be as warm as toast.

9789681659592 | Fondo De Cultura Economica USA, December 1, 2001, cover price $16.99 | About this edition: Willy the chimp paints pictures that are tributes to art masterpieces, including 'The Tower of Babel,' 'The Birth of Venus,' and the 'Mona Lisa.

9789681650223 | Fondo De Cultura Economica USA, January 1, 1999, cover price $13.99 | About this edition: Willy the chimpanzee loves to play soccer, but he is never picked for a team until a stranger gives him some shoes that he is certain are magic.

9789681637798 | Fondo De Cultura Economica USA, December 1, 1995, cover price $10.99 | About this edition: A young chimp demonstrates favorite playtime activities, from painting and riding a bike to paddling in the sea and partying with friends.

9789681639716 | Reprint edition (Fondo De Cultura Economica USA, June 1, 1993), cover price $13.99 | About this edition: Scornful of his younger sister's fears, a young boy decides to explore a tunnel, forcing her to go after him when he doesn't return.

9789681636531 | Fondo De Cultura Economica USA, June 1, 1993, cover price $13.99 | About this edition: A young chimpanzee, tired of being bullied by the suburban gorilla gang, decides to build up his muscles so he won't be a wimp anymore.

9789681639099 | Fondo De Cultura Economica USA, June 1, 1992, cover price $13.99 | About this edition: Not very good at sports or fighting, mild-mannered Willy nevertheless proves he's the champ when the local bully shows up.