Cerebral Palsy

by Nathan Aaseng

Published 1 October 1991
Discusses the causes, effects, prevention, and treatment of the debilitating condition known as cerebral palsy, which may occur in many different forms.

Vertebrates

by Nathan Aaseng

Published 12 December 1993
Examines fish, reptiles, mammals, and other animals with backbones, noting both their similarities and their differences.