"Pinmei, a storyteller's granddaughter, must find the Luminous Stone that Lights the Night to rescue her grandmother, who has been kidnapped by the Tiger Emperor"--
An escalating race to find the 39 Clues finds Amy and Dan pursuing a Clue guarded by thousands of the world's best-trained soldiers, an effort that separates them in explosively dangerous ways.
"The Kidd children--including twelve-year-old twins Rebecca and Bickford--follow mysterious clues that take them from China to Germany, in the hopes of finding their missing father and the treasure that will finally free their kidnapped mother"--
Discusses the life of British mountain climber, George Mallory, the discovery of his body seventy-five years after his death, and the debate over whether Mallory was the first person to reach the top of Mount Everest.