"Youth", a science fiction novelette by Isaac Asimov, first appeared in 1952 and is one of the rare Asimov stories with alien characters.Slim is a boy whose astronomer father is visiting the country estate of an important industrialist. The industrialist's son, Red, has found two strange animals, and he enlists Slim in a plan to turn the animals into a circus act. The astronomer, meanwhile, tells the industrialist that he has been in contact with space aliens who want to open up their world to interstellar trade. Their world needs help, the astronomer says; for ever since the atomic wars that destroyed their old civilization, their world has been regressing. Unless something is done, their culture may face total collapse.

From a man too simple for the devil to fool, to a college student taking an honors class in temptation, here are tales of black magic and demonic enchantment--stories of those who heed Satan's siren song and those ready to match wits with this most cunning of opponents. So get ready for some red-hot reading about the age-old battle between humans and their ever-present foe as you settle in for a devilish good time in Isaac Asimov's Devils. Arthur C. Clarke; Brian Cleeve; Ray Russell; Leo Tolstoy; Winston K. Marks; Cornell Woolrich; Frederic Brown; Robert Bloch; Robert F. Young; Stephen Vincent Benet; Rick Hautala; Philip Jose Farmer; Charles Beaumont; Jerome Bixby; Bruce Elliot; Theodore R. Cogswell; Theodore Sturgeon

Jeff Wells leaves the space academy with his mixed-up robot Norby,and the two of them head back to Earth to help Jeff's brother unravel a mystery involving zapped robots and stolen computer parts.

From the masters of robot fiction, the acclaimed Norby books are puredelight for young and old alike. Now the Asimovs present the newest, most enchantingadventure of the one and only Norby . . . It's spring break for the students at the Space Academy, so Jeff Wells and his robotNorby are ready to have some fun! Unfortunately, they've decided to visit the planet Izz--where a sinister court jester is waiting with his evil bag of tricks.

Still more Asimov robots in this fast-paced, futuristic action/adventure ( Booklist), from the authors of Norby and Yobo's Great Adventure. The planet Jamyn is throwing a royal birthday bash for the Grand Dragon. Jeff and Norby are invited too--on one condition: they must persuade the Grand Dragon's mother to attend the festivities as well.

When Jeff and his robot Norby accompany Admiral Yobo to prehistoric times so the admiral can do family research, the trip turns into a dangerous adventure.

When the acclaimed protege of writer Darius Just suddenly turns up dead at the annual convention of the American Booksellers Association, chaos and confusion sweep the autographing sessions, the buffet tables, the bars and the famed hospitality suites. Darius is certain he can discover the murderer. But only if the murderer doesn't find him first - book cover.

A collection of 17 essays that cover topics ranging from human evolution to the formation of the solar system. With penetrating insight and solid scientific knowledge, Asimov tackles the problems of over-population, need for alternative fuels, fear of radiation, what makes humans different from other two-legged creatures, and more.

Of all the portions of the universe we see in the sky, the most spectacular is the Sun. Our very own star, the Sun is ruler of the Solar System. When it is shining, it drowns out everything else. When clouds cover the Sun, the day is gloomy. At night, when the Sun is not overhead, the sky is dark. All the world depends on the Sun. Topics include sunspots, flares, prominences, the Sun's atmosphere, upcoming solar eclipses, and the Sun's vital importance to life on Earth.

Published by Avon Books, 1983, this First Paperback Edition has 253 pages. Isaac Asimov was considered to be one of the big three authors who brought science fiction into the American households.

A replica of the June 1957 issue of INFINITY SCIENCE FICTION digest magazine featuring THE BAND PLAYED ON by Lester del Rey, PILGRIMS' PROJECT by Robert F. Young, THE NIGHT OF NO MOON by H. B. Fyfe, AGE OF ANXIETY by Robert Silverberg, BLANK! by Isaac Asimov, BLANK? by Randall Garrett, and BLANK by Harlan Ellison.

A FICTION HOUSE PRESS PULP REPLICA: The second issue of FUTURE FICTION dated March 1940 featuring "Isles of the Blest" by Frederic Arnold Kummer Jr., "After Doomsday" by John Cotton, "Interplanetary Graveyard" by Edmond Hamilton, "As in the Beginning" by Jack Williamson, and "Ring Around the Sun" by Isaac Asimov.

All essays in this volume are reprinted from the Magazine of fantasy and science fiction.