Field Guide to Amphibians and Reptiles of Illinois, 2nd Edition by Christopher A. Phillips, John A. Crawford English | 2022 | ISBN: 0252086341 | 304 Pages | True PDF | 59 MB
Wild Urban Plants of the Northeast : A Field Guide, 2nd Edition by Peter Del Tredici English | 2020 | ISBN: 150174044X | 428 Pages | True ePUB | 266 MB
Field Guide to the Trees of the Gila Region of New Mexico by Richard Stephen Felger, James Thomas Verrier English | 2021 | ISBN: 0826362370 | 272 Pages | True PDF | 34.5 MB
Field Guide to North American Flycatchers: Empidonax and Pewees by Cin-Ty Lee English | April 4, 2023 | ISBN: 0691244324, 0691240620 | True PDF | 168 pages | 39 MB
The Six-Inch Lunar Atlas: A Pocket Field Guide by Don Spain English | PDF | 2009 | 269 Pages | ISBN : 038787609X | 45.2 MB
Here is a lunar atlas designed specifically for use in the field by lunar observers. Its title – The Six-inch Lunar Atlas – refers both to the aperture of the telescope used to make the images in the book, and also to the book’s physical size: so it’s perfect for fitting into an observer’s pocket!
Thomas J. Allen, James P. Brock, Jeffrey Glassberg, "Caterpillars in the Field and Garden: A Field Guide to the Butterfly Caterpillars of North America" English | 2005 | ISBN: 0195149874, 0195183711 | 240 pages | PDF | 30.3 MB
Field Guide to Sharks, Rays & Chimaeras of Europe and the Mediterranean by David A. Ebert, Marc Dando English | December 8, 2020 | ISBN: 0691205981 | PDF | 384 pages | 80.8 MB