Jeffrey Havilton

Title Publisher Year
The School Wins Blackie & Son 1928
A Waiting Game Blackie & Son 1929
Out of School Blackie & Son 1930
Harold Comes to School Blackie & Son 1931
George Pulls it Off Blackie & Son 1932
The Luck of Study Thirteen Blackie & Son 1934
George Goes One Better Blackie & Son 1935
Study Thirteen to the Rescue Blackie & Son 1936
The Sleuth of Study Thriteen Blackie & Son 1938
Study Thirteen in a Tangle Blackie & Son 1939
School Versus Spy Blackie & Son 1940