Books about Natural history -- Juvenile fiction (sorted by popularity)
- Afloat in the Forest; Or, A Voyage among the Tree-Tops Mayne Reid 79 downloads
- Minnie's Pet Monkey Madeline Leslie 77 downloads
- Afar in the Forest William Henry Giles Kingston 75 downloads
- The Coral Island: A Tale of the Pacific Ocean R. M. Ballantyne 73 downloads
- Under the Great Bear Kirk Munroe 73 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 73 downloads
- The South Sea Whaler William Henry Giles Kingston 72 downloads
- The Boy Travellers in The Russian Empire Thomas Wallace Knox 71 downloads
- The Settler and the Savage R. M. Ballantyne 70 downloads
- The Young Yagers: A Narrative of Hunting Adventures in Southern Africa Mayne Reid 67 downloads
- Arthur Brown, The Young Captain Elijah Kellogg 66 downloads
- The Fur-Seal's Tooth: A Story of Alaskan Adventure Kirk Munroe 66 downloads
- Cast Away in the Cold I. I. Hayes 66 downloads
- The Crystal Hunters: A Boy's Adventures in the Higher Alps George Manville Fenn 65 downloads
- Gascoyne, the Sandal-Wood Trader R. M. Ballantyne 65 downloads
- The Young Voyageurs: Boy Hunters in the North Mayne Reid 65 downloads
- The Kangaroo Hunters; Or, Adventures in the Bush active 19th century Anne Bowman 65 downloads
- The Story Without an End Friedrich Wilhelm Carové 64 downloads
- Kullankaivajat ja indiaanit: Kertomus Pohjois-Meksikosta (Finnish) Mayne Reid 64 downloads
- Wild Adventures in Wild Places Gordon Stables 64 downloads
- Blown to Bits: The Lonely Man of Rakata, the Malay Archipelago R. M. Ballantyne 63 downloads
- Adventures in the Far West William Henry Giles Kingston 63 downloads
- The Prairie Chief R. M. Ballantyne 63 downloads
- Two Ways of Becoming a Hunter Harry Castlemon 63 downloads
- Lion Ben of Elm Island Elijah Kellogg 62 downloads