Books about Natural history -- Juvenile fiction (sorted by popularity)
- Fritz and Eric John C. Hutcheson 85 downloads
- Jack at Sea: All Work and No Play Made Him a Dull Boy George Manville Fenn 83 downloads
- A Southern Cross fairy tale Kate McCosh Clark 83 downloads
- The Eagle Cliff R. M. Ballantyne 83 downloads
- The Settler and the Savage R. M. Ballantyne 82 downloads
- Afloat in the Forest; Or, A Voyage among the Tree-Tops Mayne Reid 82 downloads
- Nat the Naturalist: A Boy's Adventures in the Eastern Seas George Manville Fenn 82 downloads
- Down South; or, Yacht Adventure in Florida Oliver Optic 78 downloads
- Fighting the Whales R. M. Ballantyne 78 downloads
- The Boy Travellers on the Congo Henry M. Stanley and Thomas Wallace Knox 78 downloads
- Stories of Animal Sagacity William Henry Giles Kingston 77 downloads
- The Hunter Cats of Connorloa Helen Hunt Jackson 77 downloads
- The Coral Island: A Tale of the Pacific Ocean R. M. Ballantyne 77 downloads
- The Prairie Chief R. M. Ballantyne 77 downloads
- Captain Mugford: Our Salt and Fresh Water Tutors William Henry Giles Kingston 77 downloads
- Oscar in Africa Harry Castlemon 76 downloads
- Piccolissima Adélaïde de Montgolfier 76 downloads
- The Rover of the Andes: A Tale of Adventure on South America R. M. Ballantyne 75 downloads
- Red Rooney: The Last of the Crew R. M. Ballantyne 75 downloads
- The Wild Man of the West: A Tale of the Rocky Mountains R. M. Ballantyne 75 downloads
- The Frontier Fort William Henry Giles Kingston 75 downloads
- The Young Voyageurs: Boy Hunters in the North Mayne Reid 75 downloads
- In the Eastern Seas William Henry Giles Kingston 75 downloads
- Shaggycoat: The Biography of a Beaver Clarence Hawkes 74 downloads
- Adventures in the Far West William Henry Giles Kingston 74 downloads