(Hardback)

This reference work describes the trial-and-error experiments, discoveries, and inventions of early humans who lived from before recorded history to the Middle Ages.

(Hardback)

This reference work describes more than 75 experiments, inventions, and discoveries of the period, as well as the scientists,

(Hardback)

Readers will discover how mistakes and misunderstandings led to further experimentation and eventually to scientific facts.

(Hardback, 2nd Revised edition)

Provides an introduction, with examples on the use of the chemical elements. This book examines the elements within their groups, enabling students to make connections between elements of similar structure. It includes introductory material on the basics of chemistry and the Periodic Table; and more.

(Hardback)

Earth science forces, including earthquakes, fossils, the Earth's spheres, the Big Bang Theory, El Nino, and the atmosphere, are presented at a level appropriate for beginners.