A Hyatt Verrill: 39 books

HARTWELL BUILDING DISAPPEARS. TWENTY STORY STRUCTURE VANISHES IN BROAD DAYLIGHT AND REAPPEARS. MARVELOUS AND INEXPLICABLE ILLUSION WITNESSED BY CROWDS. BELIEVED TO BE A DEMONSTRATION BY SOME MASTER HYPNOTIST SEEKING PUBLICITY.

The whaling bark Wanderer was damaged and dead in the water… a dangerous spot for any ship to be in!

Captain Tilden was never one to back down from a challenge, even if it meant taking it on With Bare Hands! Note: extremely short! 3,000 words

A body appeared mysteriously in the trash can…

Deep in an unexplored part of Antarctica lives a strange and mysterious race… Beyond the Pole.

Dr. Henden and his servant Tom are lost in a world of giant insects! They struggle to survive and escape this strange and mysterious World of Giant Ants!

Tom Pauling and his pals are at it again in The Radio Detectives in the Jungle. Bolstered by their mastery of crystal-set radio technology, these intrepid youngsters match wits with some nefarious characters and crack a mystery wide open in this thrilling tale aimed at younger readers.

When wireless telegraphy, or the radio and as it is now called, was first perfected, the value of its use on shipboard was at once seen. The following is the story related by the captain of a passenger vessel in response to the query that that had been put to him as to whether he had ever used it to summon help; in other words, sent out an SOS Call.

Dr. Farnham had thought to help the world with his invention instead he released a plague upon it.

What seemed like a simple experiment to figure out how the ancient stones were cut released an ancient horror.

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.

To the casual observer cosmic life is unchanging yet changes in the world beyond are constantly in progress. The moon for example could increase its rotation or frequency which would naturally mean that it was coming closer to earth. A fascinating and imaginative Science fiction story of those who survive the disaster and try to build a new civilization in the strange and greatly altered world.

A simple paleontologist discovers a mysterious ancient creature that was sucking the blood from its victims.

A pair of teens get lost on the Andes Mountains, where they discover a lost tribe and perhaps the Incas' Lost Treasure House...