<P> One False Note, second book in the series, was written by Gordon Korman and published on December 2, 2008 . </P> <P> En route to Vienna, the Holts steal the sheet music with a clue on it from Amy, Dan, and Nellie, forcing them to rely on Dan's photographic memory . They go to an archive to find the diary of Mozart's sister, Maria Anna "Nannerl" Mozart, only to discover that Jonah Wizard has stolen it . They steal the diary back . The diary leads them to Salzburg, Mozart's birthplace; their search there ends in an explosion which was caused by Amy and Dan's nemesis, the man in black . Dan, Amy, and Nellie then go to Venice, where Dan and Amy sneak into the Janus stronghold they steal a very important clue from the Janus and escape . Only to be kidnapped by the Kabras later . The Kabras let them go finding nothing on them . Then Dan reveals that he hid the clue on a boat before the Kabras captured them . They retrieve the clue and sneak into a museum . Ian and Natalie Kabra attack them and play Mozart's first harpsichord with the clue which is a few pages from Nannerl's diary that were cut out . This triggers a booby trap that knocks Ian out . Natalie gets hit with a dart from her dart gun that Dan throws at her . He and Amy find the second clue, tungsten, a pair of Japanese swords, and hint for their next destination . </P> <P> The Sword Thief is the third book in the series . It was written by Peter Lerangis and published on March 3, 2009 . </P> <P> A pair of tungsten swords from Vienna leads Amy, Dan, and Nellie to Japan for a clue related to Japanese warrior Toyotomi Hideyoshi . Teaming up with Alistair Oh and the Kabras, the three follow a trail of clues to Korea, where they stay at Alistair's house . A book in Alistair's secret library leads them to a mountain called Pukhansan . The group finds an entrance to a cave that hides Hideyoshi's treasure, and the third clue, gold . Dan decodes an anagram and tricks the Kabras, who escape and seal everyone else in the cave . After escaping, Dan, Amy, and Nellie head for Egypt, as hinted in the anagram . </P>

When is the 39 clues movie coming out