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.
Rick Brant
Rick Brant is the central character in a series of 24 adventure and mystery novels by John Blaine, a pseudonym for authors Harold L. Goodwin (all titles) and Peter J. Harkins (co-author of the first three). The series was published by Grosset & Dunlap between 1947 and 1968, with the previously unpublished title, "The Magic Talisman" printed in 1990 in a limited edition as the concluding #24.