Fresh off a "too close" encounter with the terrorist group, the Ghost Cell, in Kitty Hawk, North Carolina, Q and Angela head to San Antonio, Texas. As their parents' band, Match, prepares for a concert at the Alamo, the two discover that the Ghost Cell has its tentacles everywhere, including the Lone Star State. With each passing hour, Q and Angela uncover more clues and discover more leads. And the mysterious Boone and his SOS group leave them with...

Bethany Culpepper, daughter of the president of the United States, is kidnapped out of the White House by terrorists at midnight on Sunday. Quest--called Q--and his stepsister, Angela, are in pursuit of the drone-tracked truck harboring the terrorists and the president's daughter along I-95 out of Washington, D.C., but it is unclear who is chasing who as a more serious situation develops.

With the nation reeling from the recent terrorist attacks, Q and Angela leave Chicago and arrive in San Francisco. Their parents are determined to continue the Match tour but for safety's sake, they have decided to send Q and Angela to boarding school. Not happy at the thought of being taken off the trail of the ghost cell, Q and Angela race against time with Boone and the SOS team to find Number One, the leader of the world's most feared terrorist...

"Torn from their lives as regular Librarian's kids, Max, Ingrid, and Luke must survive in a hidden Librarian outpost--underwater! While their parents scramble to safeguard the books of the Overworld, the trio sneak out of their warren of underwater caves to investigate the deep waters of the oceans. When they hear about the Legend of the Coral Caves, a trove of golden coral beyond imagining, Max, Luke, and Ingrid realize that this wealth could help...