Novel 1 The Legend of the Buried Treasure of Koshu Release date: May 15, 2005 Novel 2 Murder Symphony Release date: March 15, 2006 Novel 3 A Challenge Letter to Shinichi Kudo: Prologue Until Goodbye Release date: October 15, 2006 Novel 4 Shinichi Kudo Returns ~Confrontation with the Black Organization~ Release date: December 19, 2007 Novel 5 The Witch of Ejinbara Release date: July 11, 2008 Novel 6 A Challenge Letter to Shinichi Kudo ~The Mystery of the Legendary Bird~ Release date: April 16, 2011 Novel 7 A Challenge Letter to Shinichi Kudo ~Murder in the Court~ Release date: September 16, 2011 Novel 8 A Challenge Letter to Shinichi Kudo ~Love Formula Murder Case~ Release date: December 14, 2011 Novel 9 A Challenge Letter to Shinichi Kudo ~Showdown! Shinichi Kudo vs Heiji Hattori~ Release date: April 12, 2012