Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Coral Island: A Tale of the Pacific Ocean R. M. Ballantyne 91 downloads
- Harry Milvaine; Or, The Wanderings of a Wayward Boy Gordon Stables 89 downloads
- Dick in the Desert James Otis 89 downloads
- Dick Rodney; or, The Adventures of an Eton Boy James Grant 89 downloads
- Lion Ben of Elm Island Elijah Kellogg 89 downloads
- The Big Otter R. M. Ballantyne 87 downloads
- The Rajah of Dah George Manville Fenn 86 downloads
- The Lost Mountain: A Tale of Sonora Mayne Reid 86 downloads
- What the Animals Do and Say Eliza Lee Cabot Follen 86 downloads
- The White Czar: A Story of a Polar Bear Clarence Hawkes 85 downloads
- The Story of a Red Deer Sir J. W. Fortescue 84 downloads
- The Life of a Celebrated Buccaneer Richard Clynton 83 downloads
- Ungava R. M. Ballantyne 83 downloads
- Kullankaivajat ja indiaanit: Kertomus Pohjois-Meksikosta (Finnish) Mayne Reid 83 downloads
- Bessie among the Mountains Joanna H. Mathews 82 downloads
- Shaggycoat: The Biography of a Beaver Clarence Hawkes 82 downloads
- The Sun's Babies Edith Howes 81 downloads
- Two Ways of Becoming a Hunter Harry Castlemon 81 downloads
- The Hunter Cats of Connorloa Helen Hunt Jackson 81 downloads
- The Frontier Fort William Henry Giles Kingston 81 downloads
- Arthur Brown, The Young Captain Elijah Kellogg 81 downloads
- Red Rooney: The Last of the Crew R. M. Ballantyne 80 downloads
- The Fur-Seal's Tooth: A Story of Alaskan Adventure Kirk Munroe 79 downloads
- The Crystal Hunters: A Boy's Adventures in the Higher Alps George Manville Fenn 79 downloads
- Under the Great Bear Kirk Munroe 78 downloads