NATIONAL GEOGRAPHIC HAYVANLAR SERİSİ KİTAPLARINDAN KAFESSİZ HAYVAN BAHÇELERİ HAYVANLARIN HAYATTA KALMA SIRLARI YILANLAR - Sürüngenler ve Amfibiler

1- ZOOS WITHOUT CAGES / Judith E. Rinard – New York: National Geographic Society, 1981
104 sayfa; 23x27 cm

2- SECRETS of ANIMALS SURVIVAL / Ray Richardson – New York: National Geographic Society, 1983
104 sayfa; 23x27 cm

3- GREEPY CRAWLY THINGS – Reptiles and Amphibians / New York: National Geographic Society, 1974
32 sayfa; 23x27 cm