Books in Browsing: Nature/Gardening/Animals (sorted alphabetically by author)
- Jack Miner and the Birds, and Some Things I Know about Nature Jack Miner
- Um brado contra as monterias de cerco aos Lobos na Provincia do Alemtejo (Portuguese) José Paulo de Mira
- Complete Treatise on the mare and foal at the time of delivery, with illustrations. Conrad Mitchell
- Harvesting Ants and Trap-Door Spiders John Traherne Moggridge
- Forest Trees of Illinois (Third Edition) Robert H. Mohlenbrock
- Kew Gardens A. R. Hope Moncrieff
- A Garden of Peace: A Medley in Quietude Frank Frankfort Moore
- A Book of Birds Carton Moore-Park
- The Orchid Album, Volume 3 Thomas Moore
- The Orchid Album, Volume 2 Thomas Moore
- The Orchid Album, Volume 1 Thomas Moore
- Balancing and Shoeing Trotting and Pacing Horses William J. Moore
- Le monde de la mer (French) Alfred Moquin-Tandon
- Animal Behaviour C. Lloyd Morgan
- Flowers and their friends Margaret Warner Morley
- The Insect Folk Margaret Warner Morley
- Little Wanderers Margaret Warner Morley
- Little Mitchell: The Story of a Mountain Squirrel Margaret Warner Morley
- Home Life in All Lands—Book III—Animal Friends and Helpers Charles Morris
- The Jonathan Papers Elisabeth Woodbridge Morris
- Beautiful Shells of New Zealand Edward George Britton Moss
- Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae John N. Mugaas, John Seidensticker, and Kathleen P. Mahlke-Johnson
- The Story of My Boyhood and Youth John Muir
- The Mountains of California John Muir
- My First Summer in the Sierra John Muir