This image is the cover for the book The Radio Detectives, Classics To Go

The Radio Detectives, Classics To Go

Enthralled by the emerging technology of radio, young Tom Pauling begins building rudimentary radios of his own. But what begins as a harmless hobby leads Tom and his buddies into a shadowy world of intrigue, mystery and danger. Young readers will delight in this tightly plotted detective story. (Google)

A. Hyatt Verrill

Alpheus Hyatt Verrill, known as Hyatt Verrill, (23 July 1871 – 14 November 1954) was an American zoologist, explorer, inventor, illustrator and author. He was the son of Addison Emery Verrill, the first professor of zoology at Yale University. He authored many books on natural history and science fiction works.

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