Henry Carter Hull

Looks at all the different microbes that inhabit the Earth and examines the varied jobs they do.

An introduction to genetic code combines simple, engaging language and expressive, child-friendly illustrations to explain how biological life grows and changes and how DNA combines to make humans both unique and connected to all life on the planet.

Describes the physical characteristics and biological processes that enable particular animals to survive in extremely hot and cold climates.

Explores ways in which animals communicate with each other using colors, patterns, smells, movements, vibrations, sounds, and electricity for a variety of messages.