Illustrated, cloth binding, 50 cents per volume

For sale by all booksellers, or sent, postpaid, on receipt of price by the publisher

DAVID McKAY, Philadelphia

THE MOTOR POWER SERIES

Donald Grayson’s Famous
Motor Stories for Boys

Mr. Grayson is an accomplished writer of up-to-the-minute juvenile stones which are eagerly read by modern American lads.

In his new series, his characters have exciting adventures with every kind of motor-driven machines—motor cycles, automobiles, aëroplanes and submarines.

You may readily see what a vast field for adventures Mr. Grayson has chosen.

Now Ready