Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston 70 downloads
- In the Wilds of Florida: A Tale of Warfare and Hunting William Henry Giles Kingston 69 downloads
- Bessie among the Mountains Joanna H. Mathews 68 downloads
- In Savage Africa Verney Lovett Cameron 68 downloads
- The White Czar: A Story of a Polar Bear Clarence Hawkes 68 downloads
- Fritz and Eric John C. Hutcheson 68 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 67 downloads
- P. T. Barnum's Menagerie P. T. Barnum and Sarah J. Burke 65 downloads
- Shaggycoat: The Biography of a Beaver Clarence Hawkes 65 downloads
- Wild Adventures round the Pole Gordon Stables 65 downloads
- Minnie's Pet Horse Madeline Leslie 64 downloads
- Blown to Bits: The Lonely Man of Rakata, the Malay Archipelago R. M. Ballantyne 64 downloads
- Charlie to the Rescue R. M. Ballantyne 62 downloads
- Ungava R. M. Ballantyne 62 downloads
- Gulf and Glacier; or, The Percivals in Alaska Willis Boyd Allen 62 downloads
- The Young Voyageurs: Boy Hunters in the North Mayne Reid 61 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 61 downloads
- Captain Mugford: Our Salt and Fresh Water Tutors William Henry Giles Kingston 61 downloads
- Captured by Apes; or, How Philip Garland Became King of Apeland Harry Prentice 61 downloads
- Across Texas Edward Sylvester Ellis 61 downloads
- Little Robins' Love One to Another Madeline Leslie 60 downloads
- Red Rooney: The Last of the Crew R. M. Ballantyne 60 downloads
- Fighting the Whales R. M. Ballantyne 60 downloads
- The Lost Mountain: A Tale of Sonora Mayne Reid 60 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 59 downloads