A guidebook to the identification, songs and calls, habitat, nests and food, and best birding spots of 125 common and interesting birds species in and around Denver.

From the award-winning author of Little Pea, Little Hoot, and Little Oink comes a clever take on the age-old optical illusion: Is it a duck or a rabbit? Depends on how you look at it! Readers will find more than just Amy Krouse Rosenthal's signature humor here, there's also a subtle lesson for kids who don't know when to let go of an argument. A smart, simple story that will make readers of all ages eager to take a side, Duck! Rabbit! makes it easy...

On t.p.: A field guide to Rocky Mountain wildflowers from northern Arizona and New Mexico to British Columbia.

"Authoritative text, crystal-clear photography, and a systematic approach make this the most comprehensive and concise pocket guide to dogs of the world. Packed with more than 1,000 full-color photographs of over 300 dog breeds, this handy reference book is designed to cut through the process of identification and help you to recognize a breed quickly and easily. Expertly written and thoroughly vetted, each entry combines a precise description with...

Title on added t.p.: A field guide to the insects. "Sponsored by the National Audubon Society, the National Wildlife Federation, and the Roger Tory Peterson Institute."

This edition includes 100 color photographs of tracks and sign, more than 1,000 line drawings, and updated nomenclature for all the mammals of North America. The text includes descriptions of habits, habitats, tracks, signs, and ranges and is filled with natural history stories.