Books about Natural history -- Juvenile fiction (sorted by popularity)
- On the Banks of the Amazon William Henry Giles Kingston 107 downloads
- Afar in the Forest William Henry Giles Kingston 107 downloads
- Silver Rags Willis Boyd Allen 106 downloads
- The Kangaroo Hunters; Or, Adventures in the Bush active 19th century Anne Bowman 106 downloads
- The Jungle Fugitives: A Tale of Life and Adventure in India Edward Sylvester Ellis 106 downloads
- Minnie's Pet Monkey Madeline Leslie 105 downloads
- In the Eastern Seas William Henry Giles Kingston 105 downloads
- Fighting the Whales R. M. Ballantyne 105 downloads
- The Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston 104 downloads
- A Boy's Trip Across the Plains Laura Preston 103 downloads
- The Swan and Her Crew G. Christopher Davies 103 downloads
- P. T. Barnum's Menagerie P. T. Barnum and Sarah J. Burke 102 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 102 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 99 downloads
- In Savage Africa Verney Lovett Cameron 99 downloads
- Black Ivory R. M. Ballantyne 98 downloads
- Across Texas Edward Sylvester Ellis 96 downloads
- The Settler and the Savage R. M. Ballantyne 96 downloads
- Jack at Sea: All Work and No Play Made Him a Dull Boy George Manville Fenn 95 downloads
- The Island Queen R. M. Ballantyne 95 downloads
- Fighting the Whales R. M. Ballantyne 94 downloads
- Among the Esquimaux; or, Adventures under the Arctic Circle Edward Sylvester Ellis 94 downloads
- In Search of a Son William S. Walsh 94 downloads
- The South Sea Whaler William Henry Giles Kingston 94 downloads
- Among the Red-skins; Or, Over the Rocky Mountains William Henry Giles Kingston 93 downloads