Mark Sullivan is the acclaimed author of more than twenty novels, including the #1 Amazon Charts, Wall Street Journal, and USA Today bestseller Beneath a Scarlet Sky as well as the #1 New York Times bestselling Private series, which he writes with James Patterson. Mark has received numerous accolades for his work, including the WHSmith Fresh Talent Award, and he has written both a New York Times Notable Book and a Los Angeles Times Best Book of the Year. He grew up in Medfield, Massachusetts, and graduated from Hamilton College with a BA in English before working as a volunteer in the Peace Corps in Niger, West Africa. Upon his return to the United States, Mark earned a graduate degree from the Medill School of Journalism at Northwestern University and began a career in investigative reporting before turning to fiction. An avid skier and adventurer, he lives with his wife in Bozeman, Montana, where he remains grateful for the miracle of every moment. For more information, visit www.marksullivanbooks.com.