One of the most visited places in North America, Grand Canyon National Park is like an open window to Earth's geologic history. The carving of the canyon's walls by erosion left a cross-section of the Earth's crust from millions and millions of years ago. See for yourself how grand and beautiful this gorgeous gorge really is.

Shapes, colors, or markings--these are all different ways animals disguise themselves to survive. Some mammals, birds, and fish use unusual camouflage to hide in plain sight.

If the groundhog sees its shadow, there will be six more weeks of winter. Moss grows only on the north side of a tree. No two snowflakes are alike. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven using science? Let's investigate seventeen statements about Earth, weather, and the environment and find out which ones are right, which ones are wrong, and which ones still stump scientists! Find out...

Presents information about the diplodocus, including its enormous length.

Describes the physical and behavior characteristics of the border collie, and offers advice on care, feeding, training, and socialization.

This book invites readers to meet the devoted American pit bull terrier. Readers will examine the history, physical attributes, development, and behavior of the American pit bull terrier breed. Coat, color, size, and care instructions are also discussed. Full-color photos allow readers to see these strong, confident dogs in a variety of situations.