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