Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Red Man's Revenge: A Tale of The Red River Flood R. M. Ballantyne 52 downloads
- Among the Esquimaux; or, Adventures under the Arctic Circle Edward Sylvester Ellis 52 downloads
- Under the Great Bear Kirk Munroe 51 downloads
- Born to Wander: A Boy's Book of Nomadic Adventures Gordon Stables 51 downloads
- The Settler and the Savage R. M. Ballantyne 50 downloads
- In the Eastern Seas William Henry Giles Kingston 49 downloads
- The Young Voyageurs: Boy Hunters in the North Mayne Reid 49 downloads
- The Island Queen R. M. Ballantyne 49 downloads
- The White Czar: A Story of a Polar Bear Clarence Hawkes 49 downloads
- Across Texas Edward Sylvester Ellis 49 downloads
- Little Robins' Love One to Another Madeline Leslie 49 downloads
- The Perambulations of a Bee and a Butterfly, Elizabeth Sandham 49 downloads
- Bessie among the Mountains Joanna H. Mathews 49 downloads
- Oscar in Africa Harry Castlemon 48 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 48 downloads
- The Golden Dream: Adventures in the Far West R. M. Ballantyne 47 downloads
- The Prairie Chief R. M. Ballantyne 47 downloads
- Wild Adventures round the Pole Gordon Stables 47 downloads
- Little Robins Learning to Fly Madeline Leslie 47 downloads
- Stories of Animal Sagacity William Henry Giles Kingston 45 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 44 downloads
- What the Animals Do and Say Eliza Lee Cabot Follen 44 downloads
- The South Sea Whaler William Henry Giles Kingston 44 downloads
- The Young Yagers: A Narrative of Hunting Adventures in Southern Africa Mayne Reid 43 downloads
- Arthur Brown, The Young Captain Elijah Kellogg 43 downloads