David Mack is the author of numerous Star Trek novels, including the USA Today best-seller A Time to Heal and its companion volume, A Time to Kill. Mack's other novels include Star Trek: DS9: Warpath, Star Trek Vanguard: Harbinger, Star Trek: S.C.E.: Wildfire, and numerous eBooks and short stories. Mack also cowrote two episodes of Star Trek: DS9, "Starship Down" and "It's Only a Paper Moon."

Keith R.A. DeCandido was born and raised in New York City to a family of librarians. He has written over two dozen novels, as well as short stories, nonfiction, eBooks, and comic books, most of them in various media universes, among them Star Trek, World of Warcraft, Starcraft, Marvel Comics, Buffy the Vampire Slayer, Serenity, Resident Evil, Gene Roddenberry’s Andromeda, Farscape, Xena, and Doctor Who. His original novel Dragon Precinct was published in 2004, and he's also edited several anthologies, among them the award-nominated Imaginings and two Star Trek anthologies. Keith is also a musician, having played percussion for the bands Don't Quit Your Day Job Players, Boogie Knights, and Randy Bandits, as well as several solo acts. In what he laughingly calls his spare time, Keith follows the New York Yankees and practices kenshikai karate. He still lives in New York City with his girlfriend and two insane cats.