Book excerpt: Over eighty percent of living reptiles reproduce by laying eggs. Many reptile species are threatened by extinction and captive breeding programs are one way to prevent their complete disappearance. Correct incubation of the eggs is a critical step in the captive breeding process. This book brings together the available information and experiences on reptile egg incubation from numerous experts and provides a comprehensive description of reptile egg morphology, reptile embryo physiology and development, incubation techniques, solutions for problems with incubation, and details to assure the successful incubation of the eggs of most reptile species.