The Rainforests: A Celebration

Fantastic coffee table book loaded with beautiful, fascinating photographs and the added bonus of insightful, interesting text. It's almost impossible not to learn something if you pick this book up. The photos will grab you attention, and you'll scan the text for an explanation of the bizarre things you see.

by Living Earth Foundation, Lisa Silcock (Editor), H R H Charles the Prince of Wales, Paperback: 224 pages, Publisher: Chronicle Books, (1993), ASIN: 0811801551
out of print but easily found used and very highly recommended

The High Frontier: Exploring the Tropical Rainforest Canopy

This book is out of print, but widely available at very reasonable prices in fine condition. It is well worth hunting for. It is one of the best examples of an interesting, beautiful yet scientifically accurate and compelling books available. If you are considering a canopy tour while traveling in Costa Rica, buy this book.
out of print but easily found used and very highly recommended

by Mark W. Moffett, Edward Osborne Wilson, Paperback, 192 pages, Publisher: Harvard Univ Press, (1994), ASIN: 0674390393

Ultimate Orchid

Spectacular. Just what you would expect from the Smithsonian Institution teamed up with the American Orchid Society.

by Smithsonian Institution, American Orchid Society, Thomas J. Sheehan,Hardcover: 160 pages, Publisher: DK Publishing, (2001), ISBN: 0789480441

Poison Frogs of the Family Dendrobatidae: Jewels of the Rainforest

Oversized and packed with hundreds of detailed and beautiful high quality glossy images.

by Jerry G. Walls, Hardcover, Publisher: TFH Publications, (1994), ISBN: 0793802997