George tries to escape a host of problems by going to Switzerland to help his friend Annie's father, Eric, run an experiment exploring the origins of the universe, but faces saboteurs and a mysterious message from George's old nemesis, Reeper, there. Includes scientific essays exploring the latest theories on the origin of the universe.

Logan and Zoe's efforts to identify a saboteur are complicated by the unchecked activities of the kraken and the agenda of Logan's famous tracker mother.

Cousins Mike and Kate investigate when someone tries to stop the Cooperstown team from participating in the Little League World Series in Williamsport, Pennsylvania.

Pulitzer Prize-winning investigative journalist Tom Sagan and an unscrupulous zealot, Zachariah Simon, square off in a dangerous game to find the key to a 500 year-old mystery--a treasure with explosive political significance in the modern world: the lost treasures of the Temple of Jerusalem.

The Van Dorn Detective Agency assigns Isaac Bell, a private investigator, to a case that will reveal whether a brilliant American battleship gun designer's death was a suicide or murder, but Bell uncovers a plot set to destroy the great minds of America that are somehow connected to a secret project known as Hull 44.

"The true story of a group of boy resistance fighters in Denmark after the Nazi invasion"-- "At the outset of World War II, Denmark did not resist German occupation. Deeply ashamed of his nation's leaders, fifteen-year-old Knud Pedersen resolved with his brother and a handful of schoolmates to take action against the Nazis if the adults would not. Naming their secret club after the fiery British leader, the young patriots in the Churchill Club committed...