Dr. Jack MacGregor is a zoologist who works to save the environment, his wife Mavis is a working paleontologist, and their teenage children—Chris, Heather, and Ryan—though bright, dutiful kids, find themselves making common teenage decisions and mistakes. Consistently entangled in dangerous adventures in exotic locales, they must rely on their common sense, diverse skills, and daring strategies to survive. The fast-paced narrative of each book in the MacGregor Family Adventure Series includes authentic historical and scientific details and shows the developing character, morality, and discipline of the MacGregor teens as they progress through each exhilarating escapade.