Silverberg, Robert

Nightfall by Isaac Asimov ( Book )
25 editions published between 1988 and 2013 in 3 languages and held by 2,277 WorldCat member libraries worldwide
Kalgash is a world on the edge of chaos, torn between religious fanaticism and scientific rationalism. Their civilization is threatened by Nightfall, the first sunset in over two thousand years

Lord Valentine's castle by Robert Silverberg ( Book )
37 editions published between 1979 and 2012 in 4 languages and held by 1,949 WorldCat member libraries worldwide
The planet Majipoor is shared by humans and several alien races, including four-armed Skandars, three-eyed Liiman, and the native, shape-shifting Metamorphs. All are watched over by the King of Dreams, the labyrinth-dwelling Pontifex, and the priestess of the Isle of Sleep, while the Coronal officially rules from atop Castle Mount. The Majipoor Cycle begins as young Valentine, a man with no memory, is hired as an apprentice juggler by a group of eccentric performers. While the traveling troupe takes to the road, Valentine's sleep is disturbed by nightmare visions of warring brothers and difficulties on faraway Castle Mount. In a quest to discover who Valentine really is, his wise and peculiar companions resolve to help him claim the rewards of his birth. But another trial awaits Valentine that will test his belief, resolve, and strength of character

Science fiction hall of fame by Ben Bova ( Book )
33 editions published between 1913 and 2005 in English and held by 1,697 WorldCat member libraries worldwide
Martian odyssey / Stanley G. Weinbaum --Twilight / John W. Campbell--(etc.)

The positronic man by Isaac Asimov ( Book )
31 editions published between 1992 and 2000 in 8 languages and held by 1,559 WorldCat member libraries worldwide
Powerful and haunting, The Positronic Man is an unforgettable novel that redefines Isaac Asimov's and Robert Silverberg's place among the greatest science fiction authors of all time. In the twenty-first century the creation of the positronic brain leads to the development of robot laborers and revolutionizes life on Earth. But to the Martin family, their household robot NDR-113 is more than a trusted friend, a confidant, a member of the family. For through some unknown manufacturing glitch, Andrew has been blessed with a capacity for love and a drive toward self-awareness and devlopment that are almost...human. But almost is not enough. Andrew's dream is to become fully human. Facing human prejudice, the laws of robotics, and his own mechanical limitations, Andrew will use science and law in his quest for the impossible, arriving at last at a terrifying choice: to make his dream a reality, he must pay the ultimate price. - Publisher

Legends : short novels by the masters of modern fantasy by Anne McCaffrey ( Book )
11 editions published between 1998 and 2001 in English and held by 1,545 WorldCat member libraries worldwide
A six-hundred-page anthology of stories on various fantasy worlds, each preceded by an introduction. They range from Terry Pratchett's The Sea and Little Fishes, set in Discworld, to Ursula K. Le Guin's Dragonfly, set in Earthsea

Valentine pontifex by Robert Silverberg ( Book )
23 editions published between 1983 and 2001 in English and held by 1,485 WorldCat member libraries worldwide
Gentle, pacifist, saintly Lord Valentine copes with the tasks of government on the planet Majipoor amidst blight and rebellion

Majipoor chronicles : a novel by Robert Silverberg ( Book )
33 editions published between 1981 and 2012 in English and Italian and held by 1,472 WorldCat member libraries worldwide
Companion volume to LORD VALENTINE'S CASTLE. Hissune, Valentine's successor, is given access to the Hall of Records, and delves into the fascinating history of the planet Majipoor

At winter's end by Robert Silverberg ( Book )
12 editions published between 1988 and 2013 in English and held by 1,398 WorldCat member libraries worldwide
After seven hundred thousand years underground, one tribe emerges to explore the new world The time of falling death stars ushered in the Long Winter--eons of cold that caused plants and animals to vanish from Earth and drove people to take refuge in underground cocoons. Human ingenuity had never faced a greater challenge. For seven hundred thousand years, generation after generation was born and died below the Earth's surface. But now, one small tribe is sensing change. Chieftain Koshmar is sure that the New Springtime is near, so she leads her people above ground to explore the new world that awaits. The unfamiliar Earth, still a frozen shell of its former self, will test their mettle in every way, leading the people of the tribe to the brink of their destiny--or to their doom

The ugly little boy by Isaac Asimov ( Book )
21 editions published between 1992 and 1999 in 4 languages and held by 1,344 WorldCat member libraries worldwide
Science fiction story by Isaac Asimov, about a Neanderthal boy whom scientists have transported through time for scientific testing. A conflict arises when a dispassionate nurse suddenly refuses to let the boy be returned to his era

The world inside by Robert Silverberg ( Book )
21 editions published between 1971 and 2013 in English and held by 1,317 WorldCat member libraries worldwide
In 2381, the highly regulated life at the giant building known as Urbmon 116 may seem ideal, but some residents are experiencing dangerous dissatisfaction