Open-air pastimes have always been popular with boys, and should always be encouraged. These books mingle adventure and fact, and will appeal to every manly boy.

THE PUTNAM HALL MYSTERY

Or The School Chums' Strange Discovery

The particulars of the mystery and the solution of it are very interesting reading.

THE PUTNAM HALL ENCAMPMENT

Or The Secret of the Old Mill

A story full of vim and vigor, telling what the cadets did during the summer encampment, including a visit to a mysterious old mill, said to be haunted. The book has a wealth of fun in it.

THE PUTNAM HALL REBELLION

Or The Rival Runaways

The boys had good reasons for running away during Captain Putnam's absence. They had plenty of fun, and several queer adventures.