Books about Natural history -- Juvenile fiction (sorted by popularity)
- Among the Forest People Clara Dillingham Pierson 115 downloads
- Aaron in the Wildwoods Joel Chandler Harris 114 downloads
- The Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston 109 downloads
- The Log House by the Lake: A Tale of Canada William Henry Giles Kingston 109 downloads
- The Gorilla Hunters R. M. Ballantyne 106 downloads
- Dick o' the Fens: A Tale of the Great East Swamp George Manville Fenn 105 downloads
- Cast Away in the Cold I. I. Hayes 103 downloads
- The Desert Home: The Adventures of a Lost Family in the Wilderness Mayne Reid 99 downloads
- A Southern Cross fairy tale Kate McCosh Clark 99 downloads
- The World of Ice R. M. Ballantyne 99 downloads
- Lost in the Cañon A. R. Calhoun 99 downloads
- Under the Great Bear Kirk Munroe 98 downloads
- Fighting the Whales R. M. Ballantyne 94 downloads
- The Kangaroo Hunters; Or, Adventures in the Bush active 19th century Anne Bowman 94 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 92 downloads
- Blown to Bits; or, The Lonely Man of Rakata R. M. Ballantyne 92 downloads
- In the Eastern Seas William Henry Giles Kingston 92 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 91 downloads
- The Vee-Boers: A Tale of Adventure in Southern Africa Mayne Reid 91 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 89 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 88 downloads
- Minnie's Pet Monkey Madeline Leslie 87 downloads
- On the Banks of the Amazon William Henry Giles Kingston 87 downloads
- The Cruise of the Snowbird: A Story of Arctic Adventure Gordon Stables 86 downloads
- Fritz and Eric John C. Hutcheson 85 downloads