Witness to Extinction by Samuel T. Turvey
Cetaceans: An Addiction
69 books — 33 voters

Monster of God by David QuammenNight of the Grizzlies by Jack Olsen
Best Man-Eating Creatures Books
24 books — 46 voters
Guns, Germs, and Steel by Jared DiamondDead Wake by Erik Larson
Best Non-Fiction (no biographies)
6,228 books — 8,061 voters

Gone with the Wind by Margaret MitchellThe Mists of Avalon by Marion Zimmer BradleyThe Clan of the Cave Bear by Jean M. Auel
Big Fat Books Worth the Effort
1,874 books — 6,996 voters
Gone with the Wind by Margaret MitchellThe Mists of Avalon by Marion Zimmer Bradley
Thickest Books Ever
889 books — 2,489 voters

Guns, Germs, and Steel by Jared Diamond
Pulitzer Winners: General Non-fiction
85 books — 343 voters
Ruffian by Jane SchwartzThe Grizzly Bear by Thomas McNameeThe Lost Dogs by Jim GorantWhen Elephants Weep by Jeffrey Moussaieff MassonSeabiscuit by Laura Hillenbrand
Adult Nonfiction Animal Books
594 books — 152 voters

The Call of the Wild by Jack LondonMarley and Me by John GroganThe Lost Dogs by Jim Gorant
Dog Lovers
682 books — 538 voters
A Primate's Memoir by Robert M. Sapolsky
Curious Minds
176 books — 152 voters

A Spring Without Bees by Michael SchackerFour Fish by Paul   GreenbergWalking with the Great Apes by Sy MontgomeryWitness to Extinction by Samuel T. TurveyDiamonds in the Marsh by Barbara Brennessel
Conservation and Animal Science
154 books — 54 voters

Where the Red Fern Grows by Wilson RawlsSeabiscuit by Laura Hillenbrand
Best Books About Animals
1,842 books — 1,853 voters
Diamonds in the Marsh by Barbara BrennesselTuna by Richard   EllisKraken by Wendy   WilliamsIn the Shadow of Man by Jane GoodallEastern Coyote by Gerry Parker
Biology Of Your Favorite Animal
253 books — 120 voters

Gone with the Wind by Margaret MitchellLolita by Vladimir NabokovWatership Down by Richard  AdamsA Tree Grows in Brooklyn by Betty  Smith
Best Books Ever
76,255 books — 283,639 voters