Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Gorilla Hunters R. M. Ballantyne 83 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 78 downloads
- Oscar in Africa Harry Castlemon 76 downloads
- Gulf and Glacier; or, The Percivals in Alaska Willis Boyd Allen 76 downloads
- Across Texas Edward Sylvester Ellis 75 downloads
- Born to Wander: A Boy's Book of Nomadic Adventures Gordon Stables 75 downloads
- The Golden Dream: Adventures in the Far West R. M. Ballantyne 74 downloads
- Captured by Apes; or, How Philip Garland Became King of Apeland Harry Prentice 72 downloads
- The Story Without an End Friedrich Wilhelm Carové 72 downloads
- The Island Queen R. M. Ballantyne 71 downloads
- In Savage Africa Verney Lovett Cameron 71 downloads
- The Ocean Cat's Paw: The Story of a Strange Cruise George Manville Fenn 71 downloads
- Professor Johnny J. Ā. K. 71 downloads
- The Desert Home: The Adventures of a Lost Family in the Wilderness Mayne Reid 70 downloads
- Aaron in the Wildwoods Joel Chandler Harris 70 downloads
- Willis the Pilot : A Sequel to the Swiss Family Robinson Adrien Paul 70 downloads
- The Boy Travellers in The Russian Empire Thomas Wallace Knox 70 downloads
- P. T. Barnum's Menagerie P. T. Barnum and Sarah J. Burke 70 downloads
- Stories of Animal Sagacity William Henry Giles Kingston 69 downloads
- Silver Rags Willis Boyd Allen 69 downloads
- The Fur-Seal's Tooth: A Story of Alaskan Adventure Kirk Munroe 69 downloads
- Two Ways of Becoming a Hunter Harry Castlemon 68 downloads
- The Coral Island: A Tale of the Pacific Ocean R. M. Ballantyne 68 downloads
- Bessie among the Mountains Joanna H. Mathews 68 downloads
- Camp and Trail: A Story of the Maine Woods Isabel Hornibrook 67 downloads