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A new series for boys giving full details of radio work, both in sending and receiving—telling how small and large amateur sets can be made and operated, and how some boys got a lot of fun and adventure out of what they did. Each volume from first to last is so thoroughly fascinating, so strictly up-to-date and accurate, we feel sure all lads will peruse them with great delight.

Each volume has a Foreword by Jack Binns, the well-known radio expert.

Or, Winning the Ferberton Prize.

Or, The Message That Saved the Ship.

Or, Making Good in the Wireless Room.

Or, The Midnight Call for Assistance.

Or, Solving a Wireless Mystery.

Or, The Great Fire on Spruce Mountain.

Or Making Safe the Ocean Lanes.

Or, Saving the City in the Valley.

Rh