Rapper Queen Pen has written her third novel and is set to launch the new book next year (08). The No Diggity MC has successfully transformed herself from a hip-hop star to an author with her previous book releases Situations and Blossom, which have sold in excess of 70,000 copies to date. And Pen - real name Lynise Walters - is now readying herself for her third book release, Infiltrator, which will hit shelves in early 2008.