THE GREEN GIRL Jack Williamson When the sun vanished, a young scientist’s dream girl became the key to the world’s fight for existence! OUT OF THE SILENT PLANET C. S. Lewis One of the finest interplanetary novels ever written. AVON GHOST READER Anthology Original collection featuring Lovecraft, Merritt, Heard and many more. THE LURKING FEAR H. P. Lovecraft Eleven great horror stories by a modern Poe. THE STONE OF CHASTITY Margery Sharp A gay adventure about a rural legend and a modern experiment. THE GIRL WITH THE HUNGRY EYES Anthology New fantasy stories by Leiber, Long, Wellman, Tenn, Miller and Grendon. THE DAUGHTER OF FU MANCHU Sax Rohmer The mystery of the East makes an unholy pact with the science of the West! TERROR AT NIGHT Anthology Great fantasy stories by Dunsany, Wakefield, Lovecraft, Bierce, etc. GLADIATOR Philip Wylie A powerful tale of a superman’s struggle for world mastery. _25c per copy_ On sale at your newsdealer. Or you can order direct from AVON BOOK SALES CORP., 119 W. 57th St., New York 19, N. Y., at 5c per copy extra for wrapping and forwarding. HAVE YOU SEEN OUT OF THIS WORLD ADVENTURES THE NEW, DIFFERENT, SCIENCE-FICTION MAGAZINE Here is the new and unique magazine of science-fiction fantasy stories. In answer to the requests of the vast audience that loves the thrill of discovery on unknown worlds and the unfolding of the atomic horizon, AVON has produced this exciting new periodical. Among the top-notch stories by leading writers in the second number, now on sale, are: _RAIDERS OF THE SOLAR FRONTIER by A. Bertram Chandler_ An unusual and startling short novel about the strange invaders from outside the solar system who sought to undermine the civilized planets—with nothing to stop them save an unarmed planetoid of exiled outcasts! _UNDER MARTIAN SANDS by Basil Wells_ Adventure-filled novelette about a lost world lying unsuspected beneath the dusty ruins of an abandoned Martian city. _THE CITY OF SINGING CUBES by Bryce Walton_ They sought a super-weapon on that far-off world, but what they found was even more than they expected. _CELESTIAL LANDFALL by Walt Sheldon_ For thousands of years they had cruised the universe crushing all opposition—only to be stopped by a band of club-swinging savages!