Magical Record Lyrical Nanoha Force(魔法戦記リリカルなのはForceMahō Senki Ririkaru Nanoha Force) or Magical War Chronicle Lyrical Nanoha Force is a Japanese manga series written by Masaki Tsuzuki and illustrated by Yukari Higa. It is the fourth Nanoha series, and is currently being serialized in Kadokawa Shoten's Nyantype magazine, first appearing in that magazine's inaugural issue in April 2009. As of May 2010, one volume of the series has been released, containing the first four chapters of the series. The story is set six years after the events of Magical Girl Lyrical Nanoha Strikers, and focuses on the investigation into another ancient magical artifact, the Book of the Silver Cross.