Ralph in the Switch Tower: or, Clearing the Track

Fred Fenton Marathon Runner / The Great Race at Riverport School

The Radio Boys at the Sending Station / Making Good in the Wireless Room

Fred Fenton on the Crew / or, The Young Oarsmen of Riverport School

The Radio Boys' First Wireless / Or Winning the Ferberton Prize

The Radio Boys Trailing a Voice / or, Solving a Wireless Mystery

Fred Fenton on the Track / or, The Athletes of Riverport School

Tom Fairfield at Sea: or, The Wreck of the Silver Star

Frank Roscoe's Secret / Or, the Darewell Chums in the Woods

Tom Fairfield's Pluck and Luck

Ralph on the Engine / The Young Fireman of the Limited Mail