"After thwarting the ghost cell's chemical attack in Chicago, Q and his stepsister Angela arrive in San Francisco to continue their parents' concert tour. They find themselves helping Boone and the S.O.S. team in the final showdown with the ghost cell and its leader, Number One"--

"Q and his half-sister Angela are spending the night in the White House. What should have been a great honor turns into an incredible nightmare of intrigue with bombings, kidnappings, spies, terrorists, and ghosts. Behind it all is Angela's mother, Malak, who is supposed to be dead. Whose side is Malak on? How will Q and Angela stop the ghosts from destroying the United States of America?"--Page 2 of cover.

Marty and his best friend, Luther, have managed to rescue Marty's cousin Grace from the clutches of the nefarious pseudo-naturalist Noah Blackwood, but their most dangerous mission lies ahead of them. Marty's parents have been missing in Brazil for months, and their trail has all but run cold. With time running out, Marty and the Cryptos Island crew race off for Brazil where they discover that Noah Blackwood has twisted the natural order of things...

Amy and Dan Cahill are no strangers to impossible tasks. After seven of their relatives were kidnapped, the siblings scoured Europe for the priceless artifacts Vesper One demanded in exchange for the hostages. But then the Cahill kids are given an assignment that pushes them to their breaking point-a journey to a legendary city. Amy and Dan know they can't afford to fail, yet they're running out of options. . . and running out of time.

Searching faraway world regions for Grace, who has been kidnapped by a ruthless grandfather who has also stolen two dinosaur hatchlings, Marty and his cryptozoologist uncle, Travis Wolfe, are distracted by a sighting of an elusive blood-drinking cryptid.

Nick endures servitude, beatings, and more after his British father's plantation in Burma is invaded by the Japanese in 1941, and when his father and others are taken prisoner and Nick is stranded with his friend Mya, they plan a daring escape on elephants, risking their lives to save Nick's father and Mya's brother from a Japanese prisoner of war camp.

"Step-siblings Q (Quest) and Angela are thrust into the work of the U.S. Secret Service and the Israeli Mossad when Angela realizes she's being followed, and Q learns the secret about Angela's real mother--a former Secret Service agent who was supposedly killed by a terrorist group. But who are the good guys and who are the bad guys"--Cover, P. [4].

Twins, Grace and Marty, along with a mysterious uncle, are dropped into the middle of the Congolese jungle in search of their missing photojournalist parents.

When Jack Osborne is befriended by his school's custodian and a Basque girl, he begins to adjust to his family's sudden move to Elko, Nevada, after entering the Witness Security Program, but the drug cartel against which his father will testify is determined to track them down.

"When Quest (Q) and his stepsister Angela head to Chicago for their parents' concert, they uncover another plot by the terrorist group Ghost Cell in the Windy City"--