Books about Natural history -- Juvenile fiction (sorted by popularity)
- Under the Great Bear Kirk Munroe 109 downloads
- The Red Man's Revenge: A Tale of The Red River Flood R. M. Ballantyne 108 downloads
- Charlie to the Rescue R. M. Ballantyne 108 downloads
- The Gorilla Hunters R. M. Ballantyne 107 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 102 downloads
- The Island Queen R. M. Ballantyne 101 downloads
- The Log House by the Lake: A Tale of Canada William Henry Giles Kingston 101 downloads
- The Desert Home: The Adventures of a Lost Family in the Wilderness Mayne Reid 101 downloads
- Blown to Bits; or, The Lonely Man of Rakata R. M. Ballantyne 100 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 99 downloads
- On the Banks of the Amazon William Henry Giles Kingston 97 downloads
- Black Ivory R. M. Ballantyne 94 downloads
- Wild Adventures round the Pole Gordon Stables 93 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 92 downloads
- A Southern Cross fairy tale Kate McCosh Clark 92 downloads
- The World of Ice R. M. Ballantyne 92 downloads
- The Eagle Cliff R. M. Ballantyne 90 downloads
- Dick o' the Fens: A Tale of the Great East Swamp George Manville Fenn 90 downloads
- The Young Yagers: A Narrative of Hunting Adventures in Southern Africa Mayne Reid 90 downloads
- Afar in the Forest William Henry Giles Kingston 85 downloads
- Cast Away in the Cold I. I. Hayes 84 downloads
- The Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston 83 downloads
- The Big Otter R. M. Ballantyne 83 downloads
- The Cruise of the Snowbird: A Story of Arctic Adventure Gordon Stables 82 downloads
- The Ocean Cat's Paw: The Story of a Strange Cruise George Manville Fenn 81 downloads