Friedlander, Mark P

Three American middle school students are not going to be taken in when, on a school trip to Florence, Italy, they meet a man claiming to be Leonardo da Vinci, back from the dead. This imposter claims to have a mission to better humankind, and, remarkably, it seems plausible. Gina, Max, and Tad decide to assist this man, who just may be Leonardo in truth, and learn a lot about modern science, history, math, and art along the way.

Explores the immune system's ability to protect and explains why and how it sometimes breaks down, or overreacts, etc.

Explains the tests and procedures forensic specialists use to help solve crimes.

Discusses disease outbreaks, epidemiology, microbes, historic plagues, modern killers such as Ebola and Legionnaires' disease, pandemics such as AIDS, and other problems, such as bioterrorism, Lyme disease, West Nile virus, SARS, and more.

Describes the field of epidemiology and its history, presenting historical and modern case studies and biological explanations of some diseases.

Describes the field of epidemiology and its history, presenting historical and modern case studies and biological explanations of some diseases and a discussion of the microbes most likely to be used by bioterrorists.

Describes the immune system, its major components, and such related topics as bacteria, viruses, parasites, vaccines, and current research in immunology.