These are books based on the 4400 series.
“So far, there have been four books written that tie in to The 4400 (TV series). The first two...4400 Books
“This book picks up directly after the last episode where Collier's P-Positives were controlling...Welcome to Promise City
“Promises Broken is the fourth book based on the series and the second set after the end of the...Promises Broken
“Although the 4400 began as a television show, the series continues in a series of novels. Their...Books
“Wet Work is the second original novel based on the series. It is set during the show's second...Wet Work