Scott Sigler is the New York Times bestselling author of Nocturnal, Ancestor, Infected, Contagious, and Pandemic, hardcover thrillers from Crown Publishing. Before he was published, Sigler built a large online following by giving away his self-recorded audiobooks as free, serialized podcasts. His loyal fans, who named themselves “Junkies,” have downloaded over twelve million individual episodes of his stories and interact daily with Sigler and one another via social media. He still records his own audiobooks and gives away every story—for free—to his Junkies at www.scottsigler.com. He’s been covered by Time, the Washington Post, the New York Times, the San Francisco Chronicle, Entertainment Weekly, Publishers Weekly, the Huffington Post, Businessweek, and Fangoria.

Charles Yu is the author of How to Live Safely in a Science Fictional Universe, which was a New York Times Notable Book and named one of the best books of the year by Time magazine. He was a National Book Foundation 5 Under 35 honoree for his story collection Third Class Superhero, and has been a finalist for the PEN Center USA’s annual literary awards. His work has been published in the New York Times, Playboy, and Slate, among other periodicals. His latest book, Sorry Please Thank You, was named one of the best science fiction / fantasy books of the year by the San Francisco Chronicle. Yu lives in Santa Monica, California, with his wife, Michelle, and their two children.

Anna North graduated from the Iowa Writers Workshop in 2009, having received a Teaching-Writing Fellowship and a Michener-Copernicus Fellowship. Her fiction has appeared in the Atlantic, where it was nominated for a National Magazine Award, and in Glimmer Train. Her nonfiction has appeared in the San Francisco Chronicle, The Common, and the Paris Review Daily, and on Jezebel, BuzzFeed, and Salon, where she is now culture editor. Her first novel, America Pacifica, was published by Reagan Arthur Books / Little, Brown in 2011.

Genevieve Valentine’s first novel, Mechanique: A Tale of the Circus Tresaulti, won the Crawford Award; her second novel, The Girls at the Kingfisher Club, is forthcoming from Atria in 2014. Her short fiction has appeared in Lightspeed, Nightmare, Fantasy, Clarkesworld, Strange Horizons, and Escape Pod; on Tor.com; and in anthologies such as Armored, Under the Moons of Mars, Running with the Pack, The Living Dead 2, Federations, After, Teeth, and The Mad Scientist’s Guide to World Domination. Her appetite for bad movies is insatiable, a tragedy she tracks on her blog at www.genevievevalentine.com.

Hugh Howey is the author of the acclaimed postapocalyptic novel Wool, which became a sudden success in 2011. Originally self-published as a series of stories and novelettes, the Wool omnibus is a bestselling book on Amazon.com and is a New York Times and USA Today bestseller. The book has also been optioned for film by Ridley Scott, and is now available in print from major publishers all over the world. The story of Wool’s meteoric success has been reported in major media outlets such as Entertainment Weekly, Variety, the Washington Post, the Wall Street Journal, and Deadline Hollywood. Howey lives in Jupiter, Florida, with his wife, Amber, and his dog, Bella.

Ernest Cline is the bestselling author of the novel Ready Player One and the screenwriter of the 2009 film Fanboys. His second novel, Armada, is forthcoming. He lives in Austin, Texas, where he devotes a large portion of his time to geeking out. Please visit his website, www.ernestcline.com, for more information.

Cory Doctorow is a science fiction author, activist, journalist, and blogger. He serves as coeditor of Boing Boing (boingboing.net) and is the author of the novels Homeland, For the Win, and Little Brother. He is the former European director of the Electronic Frontier Foundation and cofounded the UK’s Open Rights Group. Born in Toronto, Canada, he now lives in London. Learn more about Doctorow’s work at www.craphound.com.

Jeff Abbott is the New York Times bestselling author of Adrenaline, The Last Minute, Panic, and several other suspense novels. His short fiction has been selected for the Best American Mystery Stories anthology. His latest novel is Downfall, the third in his series about ex–CIA agent and bar owner Sam Capra. He is a past winner of a Thriller Award and is a three-time Edgar Award nominee. He lives in Austin, Texas, with his family.

Julianna Baggott is the critically acclaimed, bestselling author of twenty books, most recently the first of a trilogy, Pure, a New York Times Notable Book and ALA Alex Award winner, now in development with Fox 2000. Baggott also writes under the pen names Bridget Asher and N. E. Bode, the latter of which is her pseudonym for the Anybodies trilogy. Her essays have appeared in the New York Times, the Washington Post, the International Herald Tribune, the Boston Globe, and Best Creative Nonfiction. Her work has also been read on NPR’s Talk of the Nation, Here & Now, and All Things Considered, and her poetry widely anthologized, including in The Best American Poetry. There are over one hundred foreign editions of her novels to date. For more information, visit www.juliannabaggott.com.

Alastair Reynolds is the author of the Revelation Space series, which includes the novels Revelation Space, Chasm City, Redemption Ark, Absolution Gap, and The Prefect. Other novels include Century Rain, Terminal World, Pushing Ice, and House of Suns. His latest novels are On the Steel Breeze, the second in the Poseidon’s Children trilogy, and Doctor Who: Harvest of Time.

Alan Dean Foster is the bestselling author of more than 120 novels, and is perhaps most famous for his Humanx Commonwealth series, which began in 1972 with the novel The Tar-Aiym Krang. His most recent series is the Tipping Point trilogy, which explores transhumanism. Foster’s work has been translated into more than fifty languages and has won awards in Spain, Russia, and the United States. He is also well known for his film novelizations, the most recent of which is Star Trek Into Darkness. He is currently at work on several new novels and film projects.

Ian McDonald is the author of The Dervish House, a 2011 Hugo Award finalist, and many other novels, including Hugo Award nominees River of Gods and Brasyl, and the Philip K. Dick Award winner King of Morning, Queen of Day. He won a Hugo in 2006 for his novelette “The Djinn’s Wife,” and has won the Locus Award and five British Science Fiction Awards. His short fiction, much of which was recently collected in Cyberabad Days, has appeared in magazines such as Interzone and Asimov’s and in numerous anthologies. His most recent book is Be My Enemy, part two of the Everness series for younger readers. Part three, Empress of the Sun, will be published by Pyr in February 2014. His next novel for adults will be Luna. He lives just outside Belfast, in Northern Ireland.

Robin Wasserman is the author of several books for young adults, including The Waking Dark, The Book of Blood and Shadow, the Cold Awakening trilogy, the Chasing Yesterday trilogy, and Hacking Harvard. Her books have appeared on the ALA Best Fiction for Young Adults, Quick Picks, and Popular Paperbacks lists as well as the Indie Next list, and her Seven Deadly Sins series was adapted into a television miniseries. She is a former children’s book editor who lives and writes in Brooklyn. Find her at www.robinwasserman.com or on Twitter @robinwasserman.

John McCarthy, known as “the father of artificial intelligence” for the seminal role he played in the development of the AI scientific field, was a professor of computer science at Stanford University from 1962 until his death in 2011. He wrote the original Lisp programming language, and he conceived of general purpose time-sharing computer systems, which was a critical contribution to the invention of the Internet. Honors included the Turing Award for his advancements in artificial intelligence, the National Medal of Science, and the Kyoto Prize.

Seanan McGuire is the author of many works of short fiction and two ongoing urban fantasy series. Under the name Mira Grant, she writes science fiction thrillers full of viruses and zombies. Between her identities, she is a ten-time Hugo Award finalist, and was the winner of the 2010 John W. Campbell Award for Best New Writer. She is a founding member of the Hugo Award–winning SF Squeecast. She currently resides on the West Coast, where she shares her home with three enormous blue cats, a great many books, and the occasional wayward rattlesnake. McGuire regularly claims to be the advance scout of a race of alien plant people. We have no good reason to doubt her.

Nnedi Okorafor is a novelist of African-based science fiction, fantasy, and magical realism. In a profile of her work entitled “Weapons of Mass Creation,” the New York Times called Okorafor’s imagination “stunning.” Her novels include Who Fears Death (winner of a World Fantasy Award for Best Novel), Akata Witch (an Amazon.com Best Book of the Year), Zahrah the Windseeker (winner of the Wole Soyinka Prize for Literature in Africa), and The Shadow Speaker (winner of a Carl Brandon Parallax Award). Her short story collection, Kabu Kabu, was published in October 2013 and the science fiction novel Lagoon is scheduled for release in April 2014. Her young adult novel Akata Witch 2: Breaking Kola is scheduled for release in 2015. Okorafor holds a PhD in literature and is a professor of creative writing at Chicago State University. Find her on Facebook and Twitter, and at www.nnedi.com.

Daniel H. Wilson is a New York Times bestselling author and coeditor of the Robot Uprisings anthology. He earned a PhD in robotics from Carnegie Mellon University in Pittsburgh, where he also received master’s degrees in robotics and in machine learning. He has published over a dozen scientific papers, holds four patents, and has written eight books. Wilson has written for Popular Science, Wired, and Discover, as well as online venues such as MSNBC.com, Gizmodo, Lightspeed, and Tor.com. In 2008, Wilson hosted The Works, a television series on the History Channel that uncovered the science behind everyday stuff. His books include How to Survive a Robot Uprising, A Boy and His Bot, Amped, and Robopocalypse (the film adaptation of which is slated to be directed by Steven Spielberg). He lives and writes in Portland, Oregon. Find him on Twitter @danielwilsonPDX.