- Field Guide to the Amphibians and Reptiles of Britain and Europe - Collins Field Guide - English (3Replies)
- Field Guide to the Common Bees of California - California Natural History Guides Volume 107 - Gretchen LeBuhn - English (3Replies)
- Butterflies of the East Coast - Rick Cech , Guy Tudor - English (2Replies)
- Maják, Inkák, Aztékok - Mi Micsoda 112. - Lars Frühsorge - Hungarian (4Replies)
- Wij Zijn Ons Brein - Dick Swaab - Dutch (3Replies)
- Beetles of Western North America - Arthur V. Evans - English (3Replies)
- Birds of Somalia - Helm Field Guides - John Ash, John Miskell - English (3Replies)
- Birds of Bolivia - Field Guide - S.K.Herzog - English (2Replies)
- Butterflies of Britain and Europe - Collins Field Guide - Tom Tolman - English (3Replies)
- Field Guide to the Spiders of California and the Pacific Coast States - California Natural History Guides Volume 108 - Richard J. Adams - Timothy Manolis - English (2Replies)
- Birds of Belize - Lee Jones - English (2Replies)
- Geology of the Sierra Nevada - California Natural History Guides Volume 80 - Mary Hill - English (2Replies)
- Field Guide to Owls of California and the West - California Natural History Guides Volume 93 - Hans J. Peeters - English (2Replies)
- Field Guide to Amphibians and Reptiles of California - California Natural History Guides Volume 103 - Robert C. Stebbins - Samuel M. McGinnis - English (2Replies)
- Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions - California Natural History Guides Volume 92 - Arthur Shapiro , Timothy D. Manolis - English (2Replies)
- Field Guide to Beetles of California - California Natural History Guides Volume 88 - Arthur V. Evans - James.M Hogue - English (2Replies)
- Field Guide to California Rivers - California Natural History Guides Volume 105 - Tim Palmer - English (2Replies)
- Field Guide to Marine Mammals of the Pacific Coast - California Natural History Guides Volume 100 - Sarah G. Allen - English (2Replies)
- Field Guide to the Fishes of the Amazon, Orinoco, and Guianas - Princeton Field Guides - English (2Replies)
- Birds of the World - Collins Field Guide - Les Beletsky - English (2Replies)
- Birds of East Africa - Collins Field Guide - John Williams - English (2Replies)
- Identifying Birds by Colour - Collins Guide - Moss Taylor - English (2Replies)
- Parrots - A Guide to the Parrots of the World - Tony Juniper - English (2Replies)
- Insects of Britain and Western Europe - Michael Chinery - English (2Replies)
- A Természet - Mi Micsoda - Annette Hackbarth - Hungarian (1Replies)
- Az Emberi Test - Mi Micsoda - Sabrina Rachle - Hungarian (1Replies)
- Az Ókori Egyiptom - Mi Micsoda - Sabrina Rachle - Hungarian (1Replies)
- Hüllők és Kétéltűek - Mi Micsoda - Alexandra Rigos - Hungarian (1Replies)
- Hegységek - Mi Micsoda 92. - Hanke Huber - Hungarian (2Replies)
- Time Smart - Ashley Willans - English (2Replies)