This incredibly rare series, especially with books of this good condition.  Only "Grant Marsh Steamboat Captain" is in less good condition, but still tight (see photo).  Some of these individual books sell for hundreds of dollars!  Amazing first chapter readers for children with wholsome exciting stories about American heros.  Many chapters have thought provoking questions at the end.  Titles are:

Pilot Jack Knight by A.M. Anderson and R.E. Johnson
Grant Marsh Steamboat Captain by A.M. Anderson
Squanto and the Pilgrims by A.M. Anderson
Portugee Phillips and the Fighting Sioux by A.M. Anderson
Friday the Arapaho Indian by A.M. Anderson
Fur Trappers of the Old West by A.M. Anderson
Squanto and the Pilgrims by A.M. Anderson (two of these)
Wild Bill Hickok by A.M. Anderson
Wild Bill Hickok by A.M. Anderson (two of these)
Alex Majors by A.M. Anderson and Adolph Regli
Rocket Pioneer by Charles Coombs
Alaska Bush Pilot by Charles Coombs
Buffalo Bill by Frank Beals
Chief Black Hawk by Frank Beals
Davy Crockett by Frank Beals
Kit Carson by Frank Beals
The Rush for Gold by Frank Beals
John Paul Jones by Vinson Brown
Daniel Boone by Edna McGuire
Cowboys and Cattle Trails by Shannon and Warren Garst
Dan Morgan Rifleman by Ernest Tucker