Can't remember the when and where Maia (Rutledge) Skouris was abducted? Need to know what's up with Isabelle Tyler? Then Titan Books, a U.K. publisher, has the books for you.

Available now in many places books are sold, "The 4400: The Official Companion Season 1" and "The 4400: The Official Companion Season 2," both by Terry J. Erdmann, provide an in-depth look at the first two seasons of USA network's hit series.

According to a press release, the books include "behind-the-scenes interviews with cast and crew, plus scores of exclusive pictures, including a 16-page color gallery," as well as "a comprehensive episode guide with details on all the fansfavourite moments such as the shocking season finales, White Lightand Mommys Bosses."

Erdmann has authored several television show companions, including "The Tribble Handbook" in1998, "Star Trek: Deep Space Nine Companion" in 2000 and "Monk: The Official Episode Guide" in 2006.

"The 4400," currently in its fourth season, airs Sundays at 8 ET on USA.

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