Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Eagle Cliff R. M. Ballantyne 135 downloads
- The Academy Boys in Camp Mrs. S. F. Keene 132 downloads
- A Southern Cross fairy tale Kate McCosh Clark 130 downloads
- Blown to Bits; or, The Lonely Man of Rakata R. M. Ballantyne 129 downloads
- Fritz and Eric John C. Hutcheson 129 downloads
- The Red Man's Revenge: A Tale of The Red River Flood R. M. Ballantyne 129 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 128 downloads
- Gulf and Glacier; or, The Percivals in Alaska Willis Boyd Allen 126 downloads
- Camp and Trail: A Story of the Maine Woods Isabel Hornibrook 126 downloads
- Wild Adventures in Wild Places Gordon Stables 126 downloads
- The Desert Home: The Adventures of a Lost Family in the Wilderness Mayne Reid 124 downloads
- Woodside Caroline Hadley 121 downloads
- The Vee-Boers: A Tale of Adventure in Southern Africa Mayne Reid 120 downloads
- Afloat in the Forest; Or, A Voyage among the Tree-Tops Mayne Reid 116 downloads
- The Golden Dream: Adventures in the Far West R. M. Ballantyne 114 downloads
- The Gorilla Hunters R. M. Ballantyne 114 downloads
- Wild Adventures round the Pole Gordon Stables 113 downloads
- The Log House by the Lake: A Tale of Canada William Henry Giles Kingston 113 downloads
- The history of a tame robin Anonymous 113 downloads
- Stories of Animal Sagacity William Henry Giles Kingston 112 downloads
- The American family Robinson : or, The adventures of a family lost in the great desert of the West. D. W. Belisle 111 downloads
- Charlie to the Rescue R. M. Ballantyne 110 downloads
- Cast Away in the Cold I. I. Hayes 110 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 109 downloads
- Professor Johnny J. Ā. K. 108 downloads