Find out what breed of cat has no hair, why cats walk on their toes, which cats dive into water to hunt fish and more in this invaluable reference that is bursting with facts and full-color pictures.

Explores the physical characteristics, behavior, habitat, and feeding habits of these underwater mammals.

"A highly visual introduction explains the basic concepts of astronomy and gives advice on the best methods and equipment for observation, including binoculars and telescopes. Each of the planets in the Solar System is described and illustrated in detail, with images taken from space probes as well as from the ground, showing them as you can expect to see them. More than 160 star charts were made especially for this book by the Royal Greenwich Observatory....

A field guide to butterflies and moths around the world, each depicted by a full-color photograph with a caption that describes key features and points of differentiation.

"A photographic guide to more than 450 ornamental trees by type, size, season of interest, and color"--Jacket.