Books about Natural history -- Juvenile fiction (sorted by popularity)
- Wild Adventures in Wild Places Gordon Stables 155 downloads
- The Eagle Cliff R. M. Ballantyne 154 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 152 downloads
- Martin Rattler R. M. Ballantyne 150 downloads
- The Desert Home: The Adventures of a Lost Family in the Wilderness Mayne Reid 149 downloads
- Blown to Bits; or, The Lonely Man of Rakata R. M. Ballantyne 146 downloads
- Fritz and Eric John C. Hutcheson 143 downloads
- Woodside Caroline Hadley 141 downloads
- Lost in the Cañon A. R. Calhoun 141 downloads
- The Red Man's Revenge: A Tale of The Red River Flood R. M. Ballantyne 139 downloads
- In the Eastern Seas William Henry Giles Kingston 138 downloads
- The Academy Boys in Camp Mrs. S. F. Keene 138 downloads
- The Log House by the Lake: A Tale of Canada William Henry Giles Kingston 137 downloads
- Afloat in the Forest; Or, A Voyage among the Tree-Tops Mayne Reid 136 downloads
- Charlie to the Rescue R. M. Ballantyne 133 downloads
- Fighting the Whales R. M. Ballantyne 132 downloads
- Stories of Animal Sagacity William Henry Giles Kingston 129 downloads
- A Southern Cross fairy tale Kate McCosh Clark 129 downloads
- Black Ivory R. M. Ballantyne 124 downloads
- The Settler and the Savage R. M. Ballantyne 124 downloads
- The Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston 123 downloads
- Across Texas Edward Sylvester Ellis 123 downloads
- Camp and Trail: A Story of the Maine Woods Isabel Hornibrook 121 downloads
- The Jungle Fugitives: A Tale of Life and Adventure in India Edward Sylvester Ellis 121 downloads
- Wild Adventures round the Pole Gordon Stables 120 downloads