Robert Silverberg has been a professional writer since 1955, widely known for his science fiction and fantasy stories. He is a many-time winner of the Hugo and Nebula awards, was named to the Science Fiction Hall of Fame in 1999, and in 2004 was designated as a Grand Master by the Science Fiction Writers of America.

His books and stories have been translated into forty languages. Among his best known titles are Nightwings, Dying Inside, The Book Of Skulls, and the three volumes of the Majipoor Cycle: Lord Valentine's Castle, Majipoor Chronicles and Valentine Pontifex.

His collected short stories, covering nearly sixty years of work, are being published in nine volumes by SF Gateway and Subterranean Press. His most recent book is Tales Of Majipoor (2013), a new collection of stories set on the giant world made famous in Lord Valentine's Castle.

He and his wife Karen and an assorted population of cats, live in the San Francisco Bay Area in a sprawling house surrounded by exotic plants.

Sean Williams is a multi-award-winning, #1 New York Times best-selling author for readers of all ages. With over four million published words, in the form of series, novels, short stories and poems that have been translated into multiple languages for readers around the world, he has worked with visual artists, dramaturges, composers and other writers on collaborative works that include stories set in the Star Wars and Doctor Who universes, original series created with Garth Nix, and a science-fiction musical performed at the National Museum in Canberra.

In 2017, he was the recipient of the Australian Antarctica Division's annual Arts Fellowship. His most recent novels Impossible Music and Her Perilous Mansion were nominated for the Ethel Turner Prize for Young People's Literature and the Patricia Wrightson Prize for Children's Literature respectively. Both are Children's Book Council of Australia Notable Books. As well as being a senior lecturer at Flinders University, he writes articles about creative writing; composes music that has been released internationally and commissioned for exhibitions, live performances, and the stage; and cooks a mean Brussels sprout.