One False Note
One False Note is the second book in "The 39 Clues" series. It is written by Gordan Korman, and was published by Scholastic on December 2, 2008. Following the events of "The Maze of Bones", the protagonists Amy and Dan Cahill learn about Mozart and travel to Vienna, Austria to search for the second clue in the 39 Clues competition. "One False Note" entered the Children's Books New York Times Best Seller list at number one on December 21, 2008 and stayed on the list for children's chapter books for 12 weeks.
The 39 Clues
Dan, Amy, and Nellie arrive in the Hotel Excelsior, a stronghold built by Bae Oh, Alistair's uncle. Bae finds them in the hotel's stronghold and traps them. Nellie finds them and sets them free. Jonah Wizard later traps them in a deserted island on the Nile. Some local fisherman save them and return them to Egypt.They find the fourth clue, half a gram of myrrh, through a Sakhet statue Grace left them. They barely escape with Nellie and their cat Saladin's help.