Books about Natural history -- Juvenile fiction (sorted by popularity)
- Under the Great Bear Kirk Munroe 103 downloads
- Adventures in the Far West William Henry Giles Kingston 103 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 102 downloads
- Two Ways of Becoming a Hunter Harry Castlemon 101 downloads
- Among the Red-skins; Or, Over the Rocky Mountains William Henry Giles Kingston 101 downloads
- A Boy's Trip Across the Plains Laura Preston 100 downloads
- The Story of a Red Deer Sir J. W. Fortescue 100 downloads
- Kullankaivajat ja indiaanit: Kertomus Pohjois-Meksikosta (Finnish) Mayne Reid 99 downloads
- Tales out of school Frank R. Stockton 99 downloads
- Fighting the Whales R. M. Ballantyne 97 downloads
- Shaggycoat: The Biography of a Beaver Clarence Hawkes 96 downloads
- The Rajah of Dah George Manville Fenn 95 downloads
- Lion Ben of Elm Island Elijah Kellogg 95 downloads
- Ungava R. M. Ballantyne 94 downloads
- Bessie among the Mountains Joanna H. Mathews 93 downloads
- Minnie's Pet Horse Madeline Leslie 92 downloads
- The South Sea Whaler William Henry Giles Kingston 91 downloads
- The Life of a Celebrated Buccaneer Richard Clynton 90 downloads
- The Hunter Cats of Connorloa Helen Hunt Jackson 89 downloads
- The Frontier Fort William Henry Giles Kingston 89 downloads
- The World of Ice R. M. Ballantyne 89 downloads
- The Cruise of the Frolic William Henry Giles Kingston 89 downloads
- The White Czar: A Story of a Polar Bear Clarence Hawkes 88 downloads
- Little Robins' Love One to Another Madeline Leslie 86 downloads
- Dick Rodney; or, The Adventures of an Eton Boy James Grant 85 downloads