Books about Natural history -- Juvenile fiction (sorted by popularity)
- The Story of a Red Deer Sir J. W. Fortescue 67 downloads
- Gascoyne, the Sandal-Wood Trader R. M. Ballantyne 67 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 67 downloads
- The Fur-Seal's Tooth: A Story of Alaskan Adventure Kirk Munroe 66 downloads
- Captain Mugford: Our Salt and Fresh Water Tutors William Henry Giles Kingston 66 downloads
- Minnie's Pet Cat Madeline Leslie 66 downloads
- The Young Wild-Fowlers Harry Castlemon 65 downloads
- Bertha's Visit to Her Uncle in England; vol. 2 [of 3] Mrs. Marcet 65 downloads
- Minnie's Pet Horse Madeline Leslie 65 downloads
- Adventures in the Far West William Henry Giles Kingston 65 downloads
- The Cruise of the Frolic William Henry Giles Kingston 65 downloads
- The Rajah of Dah George Manville Fenn 64 downloads
- The Ocean Cat's Paw: The Story of a Strange Cruise George Manville Fenn 63 downloads
- Ungava R. M. Ballantyne 63 downloads
- Oscar in Africa Harry Castlemon 61 downloads
- The Crystal Hunters: A Boy's Adventures in the Higher Alps George Manville Fenn 61 downloads
- Canoemates: A Story of the Florida Reef and Everglades Kirk Munroe 61 downloads
- Piccolissima Adélaïde de Montgolfier 60 downloads
- The White Czar: A Story of a Polar Bear Clarence Hawkes 59 downloads
- Bessie among the Mountains Joanna H. Mathews 59 downloads
- Minnie's Pet Lamb Madeline Leslie 56 downloads
- Jungle and Stream; Or, The Adventures of Two Boys in Siam George Manville Fenn 55 downloads
- Minnie's Pet Parrot Madeline Leslie 55 downloads
- Bertha's Visit to Her Uncle in England; vol. 1 [of 3] Mrs. Marcet 54 downloads
- Ihmissyöjäin vankina: Seikkailuja Afrikan aarniometsissä (Finnish) Verney Lovett Cameron 52 downloads