"One is ultimately awed... it may be the most ambitious novel I've ever read." -- Washington Post Book World

    It is said a race of shapeshifters once lived here, only to perish when men came. But one man believes they can still be found, somewhere in the back of the beyond.In The Fifth Head of Cerberus, Wolfe skillfully interweaves three bizarre tales to create a mesmerizing pattern: the harrowing account of the son of a mad genius who discovers his hideous heritage; a young man's mythic dreamquest for his darker half; the bizarre chronicle of a scientists' nightmarish imprisonment. Like an intricate, braided knot, the pattern at last unfolds to reveal astonishing truths about this strange and savage alien landscape.

    There are permanent populations established on the Moon, Venus and Mars. Outer space inhabitants have formed a new political entity, the Federation, and between the Federation and Earth a growing rivalry has developed. EARTHLIGHT is the story of this emerging conflict.

    With reckless abandon, he used his talent in the pursuit of pleasure. Then, one day, his power began to die... Universally acclaimed as Robert Silverberg's masterwork, Dying Inside is a vivid, harrowing portrait of a man who squandered a remarkable gift, of a superman who had to learn what it was to be human.

    A starwide empire was difficult to run, but the old man was wily and the resources of the Solar Spice & Liquors Company were vast. But sometimes even a conquered world can get just a little out of hand.In his Magnificent Future History of Mankind's second great age Poul Anderson has conjured up a universe too immense for even the human race to despoil. Across this grand expanse of space roams the Polesotechnic League, a band of merchant princes from every inhabited planet, in search of adventure and riches beyond the wildest dreams of our earthbound time!Contents:Hiding Place (1961)Territory (1962)The Master Key (1964)

    based on some real, honest, practical ethical thinking. It is an idea book.' - Groff Conklin in Galaxy Science FictionAsher Sutton has been lost in deepest space for twenty years. Suddenly arrives a warning from the future, that he will return- and that he must be killed. He is destined to write a book whose message may lead to the death of millions in centuries to come. For this reason Sutton is hounded by the sinister warring factions of the future who wish to influence or prevent the writing of this book he has not yet begun to write.Yet already a copy has been found in the burnt-out wreckage of a space-craft on Aldebaran XII.

    . . a sophisticated traveler between many worlds. But he had certainly never thought of himself as a hero.Skua September, on the other hand, never thought of himself as anything else.A matched pair, if ever there was one!When the two of them were suddenly stranded on a deadly frozen world, Ethan Fortune incredibly found himself cast in the role of Leader.And he didn't find that at all amusing . . .

    The story was called "Nightfall", and many years later it has long been recognized as a classic, its author a legend. Now, the Gran Master of Science Fiction teams with Robert Silverberg, one of the field's top award-winning authors, to explore and expand an apocalyptic tale that is more spellbinding today than ever before -- Nightfall: The Novel.Imagine living on a planet with six suns that never experiences Darkness. Imagine never having seen the Stars. Then, one by one the suns start to set, gradually leading into Darkness for the first time ever. Kalgash is a world on the edge of chaos, torn between the madness of religious fanaticism and the unyielding rationalism of scientists. Lurking beneath it all is a collective, instinctual fear of the Darkness. For Kalgash knows only the perpetual light of day; to its inhabitants, a gathering twilight portends unspeakable horror. And only a handful of people on the planet are prepared to face the truth, their six suns are setting all at once for the first time in over two thousand years, signaling the end of civilization as it explodes in the awesome splendor of Nightfall.Encompassing the psychology of disaster, the tenacity of the human spirit, and, ultimately, the regenerative power of hope, Nightfall is a tale rich in character and suspense that only the unique collaboration of Isaac Asimov and Robert Silverberg could create.

    But no agent could be sent to investigate and report back. All trips to the Warden worlds were one-way. There, a microscopic symbiont invaded all life forms, after which life became impossible outside the Warden system. The same organism destroyed any form of machinery, so no message could be beamed back by normal means.That called for extraordinary means, of course. One agent was chosen, then four men were stripped of their own minds and personalities, and his was imposed upon them. Hooked up properly, he could then receive their reports, without ever leaving safe territory.Each man was assigned one world to conquer. His mission was first to find the Overlord of that world and kill him, then to take over his link with the aliens. Of course all this must be done with no help beyond his own naked ability...This first book of Jack Chalker's epic tetralogy deals with Cal Tremon, who was sent to Lilith, a planet that was a paradise - but a paradise designed in hell!-from the back cover

    Dennis Nuel is a physicist who, during his research, develops a machine that allows him to explore alternate realities, each of which sport some very strange scientific properties.

    Then came the announcement that the whole thing was a hoax. End of story. Case closed.Except that two agents of the most secret intelligence agency in the U.S. government were on the scene and disappeared without reporting back. Then four more follow up agents also disappeared. So the head of the agency and his two top agents went in and managed to get out with their discovery: an invasion is underway by slug-like aliens who can touch a human and completely control his or her mind. What the humans know, they know. What the slugs want, no matter what, the human will do. And most of Iowa is already under their control.Sam Cavanaugh was one of the agents who discovered the truth. Unfortunately, that was just before he was taken over by one of the aliens and began working for the invaders, with no will of his own. And he has just learned that a high official in the Treasury Department is now under control of the aliens. Since the Treasury Department includes the Secret Service, which safeguards the President of the United States, control of the entire nation is near at hand.

    . .

    It was in the best interests of the human race, said the State, that mates be selected for all professional people according to strict scientific principles.

    The title is a play on words, one meaning "the force which pulls" & the other being "extremely serious or important". It was serialized in Astounding Science Fiction, 4–7/53. Its 1st cloth publication was in '54. It was 1st published in paper in '58. Along with the novel itself, many editions (& most recent editions) of the book also include Whirligig World, an essay on creating the planet Mesklin that was published in the 6/53 Astounding. He published two sequels, a '70 novel called Star Light & a '73 short story called Lecture Demonstration. Mission of Gravity was nominated for a Retro Hugo Award for '54.For a profit & adventure Barlennan would sail thousands of miles across uncharted waters, into regions where gravity played strange tricks. He'd dare the perils of strange tribes & stranger creatures--even dicker with those aliens from beyond the skies, though the concept of another world was unknown to the inhabitants of the planet of Mesklin. But in spite of the incredible technology of the strangers & without regard for their enormous size, Barlennan had the notion of turning the deal to an unsuspected advantage for himself--a considerable enterprise for a being very much resembling a 15" caterpillar!

    The last remnants of humanity are fighting for survival, terrorised by the carnivorous plants and the grotesque insect life.Contents:· Hothouse · Brian W. Aldiss · nv F&SF Feb ’61 · Nomansland · Brian W. Aldiss · nv F&SF Apr ’61 · Undergrowth · Brian W. Aldiss · na F&SF Jul ’61 · Timberline · Brian W. Aldiss · nv F&SF Sep ’61 · Evergreen · Brian W. Aldiss · na F&SF Dec ’61