[Illustration: “You certainly won his heart that time, Bob. Look at his face if you want to see real amazement.”] Author of “The Radio Boys on the Mexican Border,” “The Radio Boys with the Revenue Guards,” “The Radio Boys on Secret Service Duty,” “The Radio Boys Search for the Inca’s Treasure,” “The Radio Boys Rescue the Lost Alaska Expedition” “The Radio Boys Seek the Lost Atlantis.”…
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