- EbookHooray for Construction Workers!Kurt Waldendorf
- EbookHooray for Veterinarians!Kurt Waldendorf
- EbookHooray for Chefs!Kurt Waldendorf
- EbookHooray for Farmers!Kurt Waldendorf
- Ebook¡Que vivan los veterinarios! (Hooray for Veterinarians!)Kurt Waldendorf
- Ebook¡Que vivan los chefs! (Hooray for Chefs!)Kurt Waldendorf
- Ebook¡Que vivan los obreros de construcción! (Hooray for Construction Workers!)Kurt Waldendorf
- Ebook¡Que vivan los granjeros! (Hooray for Farmers!)Kurt Waldendorf
- EbookHow Strong Is an Ant?Kurt Waldendorf
- EbookHow Tall Is a Giraffe?Kurt Waldendorf
- EbookHow Deep Is the Ocean?Kurt Waldendorf
- EbookHow Fast Is a Cheetah?Kurt Waldendorf
- EbookHow Slow Is a Sloth?Kurt Waldendorf
- EbookHow Far Is the Sun?Kurt Waldendorf
- EbookHow Small Is a Hummingbird?Kurt Waldendorf
- EbookHow Big Is a Blue Whale?Kurt Waldendorf