Gorillas and Other Primates My First Book of Playground Things Animals that live on land Patsy and Paul at Machu Picchu in Peru Boo Goo Zoo's Choo-Choo Train Silly Hoot's Hilarious Hooves Animals that live on land-Easy Reader Part 1 Patsy and Paul at Angkor Wat in Cambodia The Winklers' Holiday on Zoo Lovers Day Animals that live on land-Easy Reader Part 2 Silly Hoot's Hilarious Hooves The Winklers' Holiday on Zoo Lovers Day