Books in Children's Book Series (sorted by popularity)
- Tom Slade at Black Lake Percy Keese Fitzhugh 49 downloads
- Nan Sherwood at Rose Ranch; Or, The Old Mexican's Treasure Annie Roe Carr 49 downloads
- Nan Sherwood at Palm Beach; Or, Strange Adventures Among The Orange Groves Annie Roe Carr 49 downloads
- The Radio Boys in the Thousand Islands; Or, The Yankee-Canadian Wireless Trail Frank Honeywell 49 downloads
- Bunny Brown and His Sister Sue Keeping Store Laura Lee Hope 49 downloads
- The Rover Boys in Camp; or, The Rivals of Pine Island Edward Stratemeyer 49 downloads
- Rollo's Museum Jacob Abbott 48 downloads
- The Motor Girls Margaret Penrose 48 downloads
- The Boy Scouts of the Flying Squadron Robert Shaler 48 downloads
- Rollo on the Rhine Jacob Abbott 48 downloads
- A Campfire Girl's Test of Friendship Jane L. Stewart 48 downloads
- Marjorie's Vacation Carolyn Wells 48 downloads
- The Camp Fire Girls on the Farm; Or, Bessie King's New Chum Jane L. Stewart 48 downloads
- The Submarine Boys' Trial Trip Victor G. Durham 48 downloads
- Six little Bunkers at Cowboy Jack's Laura Lee Hope 48 downloads
- The Submarine Boys' Lightning Cruise Victor G. Durham 48 downloads
- The Motor Maids at Sunrise Camp Katherine Stokes 47 downloads
- Rollo at Work Jacob Abbott 47 downloads
- The Outdoor Girls in Army Service; Or, Doing Their Bit for the Soldier Boys Laura Lee Hope 47 downloads
- The Boy Allies at Jutland; Or, The Greatest Naval Battle of History Clair W. Hayes 47 downloads
- Nan Sherwood's Winter Holidays; Or, Rescuing the Runaways Annie Roe Carr 47 downloads
- The Rover Boys out West; Or, The Search for a Lost Mine Edward Stratemeyer 46 downloads
- Frank Merriwell's Nobility; Or, The Tragedy of the Ocean Tramp Burt L. Standish 46 downloads
- Ruth Fielding on the St. Lawrence; Or, The Queer Old Man of the Thousand Islands Alice B. Emerson 46 downloads
- The Boy With the U. S. Fisheries Francis Rolt-Wheeler 46 downloads