Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Kangaroo Hunters; Or, Adventures in the Bush active 19th century Anne Bowman 104 downloads
- Afloat in the Forest; Or, A Voyage among the Tree-Tops Mayne Reid 103 downloads
- The Coral Island: A Tale of the Pacific Ocean R. M. Ballantyne 101 downloads
- The Life and Perambulations of a Mouse Dorothy Kilner 101 downloads
- Minnie's Pet Horse Madeline Leslie 98 downloads
- In the Eastern Seas William Henry Giles Kingston 97 downloads
- Dick in the Desert James Otis 97 downloads
- Twinkle and Chubbins: Their Astonishing Adventures in Nature-Fairyland L. Frank Baum 95 downloads
- The Big Otter R. M. Ballantyne 95 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 94 downloads
- Minnie's Pet Monkey Madeline Leslie 92 downloads
- Red Rooney: The Last of the Crew R. M. Ballantyne 92 downloads
- The Academy Boys in Camp Mrs. S. F. Keene 92 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 91 downloads
- The Jungle Fugitives: A Tale of Life and Adventure in India Edward Sylvester Ellis 91 downloads
- The Cruise of the Snowbird: A Story of Arctic Adventure Gordon Stables 91 downloads
- Fritz and Eric John C. Hutcheson 90 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 87 downloads
- The World of Ice R. M. Ballantyne 87 downloads
- Cast Away in the Cold I. I. Hayes 87 downloads
- The Cruise of the Frolic William Henry Giles Kingston 86 downloads
- Bessie among the Mountains Joanna H. Mathews 86 downloads
- Ungava R. M. Ballantyne 86 downloads
- The Frontier Fort William Henry Giles Kingston 84 downloads
- Lost in the Cañon A. R. Calhoun 84 downloads