Books about Natural history -- Juvenile fiction (sorted by popularity)
- Kullankaivajat ja indiaanit: Kertomus Pohjois-Meksikosta (Finnish) Mayne Reid 88 downloads
- The Big Otter R. M. Ballantyne 88 downloads
- The Settler and the Savage R. M. Ballantyne 87 downloads
- The Cruise of the Snowbird: A Story of Arctic Adventure Gordon Stables 87 downloads
- The South Sea Whaler William Henry Giles Kingston 86 downloads
- On the Banks of the Amazon William Henry Giles Kingston 85 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 84 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 84 downloads
- Fritz and Eric John C. Hutcheson 84 downloads
- The Crystal Hunters: A Boy's Adventures in the Higher Alps George Manville Fenn 84 downloads
- The Young Voyageurs: Boy Hunters in the North Mayne Reid 84 downloads
- Fighting the Whales R. M. Ballantyne 83 downloads
- Captain Mugford: Our Salt and Fresh Water Tutors William Henry Giles Kingston 81 downloads
- P. T. Barnum's Menagerie P. T. Barnum and Sarah J. Burke 80 downloads
- Red Rooney: The Last of the Crew R. M. Ballantyne 80 downloads
- Adventures in the Far West William Henry Giles Kingston 79 downloads
- The Story of a Red Deer Sir J. W. Fortescue 79 downloads
- Across Texas Edward Sylvester Ellis 78 downloads
- The Jungle Fugitives: A Tale of Life and Adventure in India Edward Sylvester Ellis 78 downloads
- The White Czar: A Story of a Polar Bear Clarence Hawkes 77 downloads
- Shaggycoat: The Biography of a Beaver Clarence Hawkes 77 downloads
- The Academy Boys in Camp Mrs. S. F. Keene 77 downloads
- The Lost Mountain: A Tale of Sonora Mayne Reid 77 downloads
- The Eagle Cliff R. M. Ballantyne 77 downloads
- Professor Johnny J. Ā. K. 77 downloads