Books about Natural history -- Juvenile fiction (sorted by popularity)
- The White Czar: A Story of a Polar Bear Clarence Hawkes 44 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 43 downloads
- Harry Milvaine; Or, The Wanderings of a Wayward Boy Gordon Stables 40 downloads
- A Boy's Trip Across the Plains Laura Preston 40 downloads
- The Young Wild-Fowlers Harry Castlemon 40 downloads
- Minnie's Pet Cat Madeline Leslie 36 downloads
- Mississipin metsästäjäpojat (Finnish) Mayne Reid 29 downloads