Rupert Matthews

An account of the first two voyages of Christopher Columbus by which he reached the unknown continents of the Americas, the "New World."

Discusses how time was measured in the past, various early clocks, the invention of the calendar, and such related topics as time zones and radio time.

An exploration of the time period preceding the Jurassic and Cretaceous periods, when reptiles first emerged, dinosaurs eventually became the most important land animals, pterosaurs took to the air, and ichthyosaurs swam the seas.

This book is an exploration of the phenomenon from earliest times to the present day that highlights the variety of activities of these most frightening of phantoms, the efforts of researchers to document and understand the phenomenon and the explanations that have been put forward. Written in an easy-reading style that makes this potentially complex and difficult subject understandable to the non-specialist.