By MARGARET PENROSE

12mo. Cloth. Illustrated. Jacket in full colors.

Price per volume, 65 cents, postpaid.

A new and up-to-date series, taking in the activities of several bright girls who become interested in radio. The stories tell of thrilling exploits, outdoor life and the great part the Radio plays in the adventures of the girls and in solving their mysteries. Fascinating books that girls of all ages will want to read.

1. THE RADIO GIRLS OF ROSELAWN or A Strange Message from the Air

Showing how Jessie Norwood and her chums became interested in radiophoning, how they gave a concert for a worthy local charity, and how they received a sudden and unexpected call for help out of the air. A girl wanted as witness in a celebrated law case disappears, and the radio girls go to the rescue.

2. THE RADIO GIRLS ON THE PROGRAM or Singing and Reciting at the Sending Station

When listening in on a thrilling recitation or a superb concert number who of us has not longed to “look behind the scenes” to see how it was done? The girls had made the acquaintance of a sending station manager and in this volume are permitted to get on the program, much to their delight. A tale full of action and fun.