Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston 118 downloads
- The Gorilla Hunters R. M. Ballantyne 118 downloads
- Black Ivory R. M. Ballantyne 116 downloads
- The Desert Home: The Adventures of a Lost Family in the Wilderness Mayne Reid 116 downloads
- The Life and Perambulations of a Mouse Dorothy Kilner 115 downloads
- The World of Ice R. M. Ballantyne 114 downloads
- Gulf and Glacier; or, The Percivals in Alaska Willis Boyd Allen 113 downloads
- The Vee-Boers: A Tale of Adventure in Southern Africa Mayne Reid 109 downloads
- Bessie among the Mountains Joanna H. Mathews 109 downloads
- Blown to Bits; or, The Lonely Man of Rakata R. M. Ballantyne 107 downloads
- Dick o' the Fens: A Tale of the Great East Swamp George Manville Fenn 104 downloads
- Charlie to the Rescue R. M. Ballantyne 101 downloads
- In the Eastern Seas William Henry Giles Kingston 98 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 97 downloads
- Cast Away in the Cold I. I. Hayes 97 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 95 downloads
- Lost in the Cañon A. R. Calhoun 94 downloads
- Under the Great Bear Kirk Munroe 94 downloads
- Afar in the Forest William Henry Giles Kingston 94 downloads
- A Southern Cross fairy tale Kate McCosh Clark 93 downloads
- On the Banks of the Amazon William Henry Giles Kingston 93 downloads
- The Big Otter R. M. Ballantyne 93 downloads
- The Golden Dream: Adventures in the Far West R. M. Ballantyne 93 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 91 downloads
- Minnie's Pet Monkey Madeline Leslie 90 downloads