Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Young Yagers: A Narrative of Hunting Adventures in Southern Africa Mayne Reid 55 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 55 downloads
- Ihmissyöjäin vankina: Seikkailuja Afrikan aarniometsissä (Finnish) Verney Lovett Cameron 54 downloads
- The Fur-Seal's Tooth: A Story of Alaskan Adventure Kirk Munroe 53 downloads
- Minnie's Pet Lamb Madeline Leslie 53 downloads
- Two Ways of Becoming a Hunter Harry Castlemon 53 downloads
- Silver Rags Willis Boyd Allen 53 downloads
- Professor Johnny J. Ā. K. 53 downloads
- Bertha's Visit to Her Uncle in England; vol. 1 [of 3] Mrs. Marcet 52 downloads
- The Wreck of the Red Bird: A Story of the Carolina Coast George Cary Eggleston 52 downloads
- Under the Great Bear Kirk Munroe 52 downloads
- Oscar in Africa Harry Castlemon 51 downloads
- Minnie's Pet Parrot Madeline Leslie 50 downloads
- A Boy's Trip Across the Plains Laura Preston 50 downloads
- The Story Without an End Friedrich Wilhelm Carové 50 downloads
- Wild Adventures in Wild Places Gordon Stables 49 downloads
- Bertha's Visit to Her Uncle in England; vol. 3 [of 3] Mrs. Marcet 48 downloads
- Little Robins Learning to Fly Madeline Leslie 48 downloads
- Bertha's Visit to Her Uncle in England; vol. 2 [of 3] Mrs. Marcet 47 downloads
- Jungle and Stream; Or, The Adventures of Two Boys in Siam George Manville Fenn 47 downloads
- The Perambulations of a Bee and a Butterfly, Elizabeth Sandham 46 downloads
- Martin Rattler R. M. Ballantyne 46 downloads
- The Hunter Cats of Connorloa Helen Hunt Jackson 44 downloads
- Among the Red-skins; Or, Over the Rocky Mountains William Henry Giles Kingston 42 downloads
- Jack at Sea: All Work and No Play Made Him a Dull Boy George Manville Fenn 42 downloads