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
“Promises Broken is the fourth book based on the series and the second set after the end of the...Promises Broken
“This book picks up directly after the last episode where Collier's P-Positives were controlling...Welcome to Promise City
“The Vesuvius Prophecy is the first book based on the series. It was released in June 2008. Set...The Vesuvius Prophecy
“Wet Work is the second original novel based on the series. It is set during the show's second...Wet Work