Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Academy Boys in Camp Mrs. S. F. Keene 104 downloads
- Bessie among the Mountains Joanna H. Mathews 102 downloads
- Willis the Pilot : A Sequel to the Swiss Family Robinson Adrien Paul 101 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 99 downloads
- Canoemates: A Story of the Florida Reef and Everglades Kirk Munroe 94 downloads
- The Sun's Babies Edith Howes 94 downloads
- Martin Rattler R. M. Ballantyne 93 downloads
- Blown to Bits; or, The Lonely Man of Rakata R. M. Ballantyne 93 downloads
- The Boy Hunters Mayne Reid 93 downloads
- A Southern Cross fairy tale Kate McCosh Clark 92 downloads
- Among the Forest People Clara Dillingham Pierson 92 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 92 downloads
- Stories of Animal Sagacity William Henry Giles Kingston 90 downloads
- In Search of a Son William S. Walsh 90 downloads
- The American family Robinson : or, The adventures of a family lost in the great desert of the West. D. W. Belisle 89 downloads
- P. T. Barnum's Menagerie P. T. Barnum and Sarah J. Burke 89 downloads
- Charlie to the Rescue R. M. Ballantyne 89 downloads
- The Red Man's Revenge: A Tale of The Red River Flood R. M. Ballantyne 88 downloads
- In Savage Africa Verney Lovett Cameron 87 downloads
- The Golden Dream: Adventures in the Far West R. M. Ballantyne 87 downloads
- Dick o' the Fens: A Tale of the Great East Swamp George Manville Fenn 85 downloads
- The Story of a Red Deer Sir J. W. Fortescue 84 downloads
- The Island Queen R. M. Ballantyne 83 downloads
- Across Texas Edward Sylvester Ellis 82 downloads
- Silver Rags Willis Boyd Allen 78 downloads