On My Beach There Are Many Pebbles

Frederick

Everybody Needs a Rock

Leo Lionni's Friends Go Fish Card Game

Swimmy

Library Lion

Pierre: A Cautionary Tale in Five Chapters and a Prologue by Maurice Sendak

Sylvester and the Magic Pebble

Pezzettino

Little Blue and Little Yellow

This Is Not My Hat

When You Find the Right Rock

Amos & Boris