A dual-timeline historical novel of codebreaking, secrets, murder, and romance, set in Hawaii in 1943 and 1965, follows two women--a cryptanalyist working to defeat the Japanese Army, and a rookie journalist investigating the disappearance of a high-profile guest during the grand opening of the Mauna Kea Beach Hotel.

After seven members of their family are kidnapped by an organization called the Vespers, Dan and Amy Cahill must race against time to track down an ancient map to pay as ransom to bring the hostages home.

Thirteen-year-old Dan Cahill and his older sister, Amy, thought the search for the thirty-nine clues leading to the source of their family's power was over, but when Cahills are kidnapped by the Vespers, Amy and Dan find themselves with only a few days to fulfill a bizarre ransom request before their friends start dying.

"1940. As England prepares to fight the Nazis, three very different women answer the call to mysterious country estate Bletchley Park, where the best minds in Britain train to break German military codes. Vivacious debutante Osla is the girl who has everything--beauty, wealth, and the dashing Prince Philip of Greece sending her roses--but she burns to prove herself as more than a society girl, and puts her fluent German to use as a translator of...

"By the time the United States joined the Second World War in 1941, the fight against Nazi and Axis powers had already been under way for two years. In order to win the war and protect its soldiers, the US Marines recruited twenty-nine Navajo men to create a secret code that could be used to send military messages quickly and safely across battlefields. Author James Buckley Jr. explains how these brave and intelligent men developed their amazing code,...