LEXINGTON, Mass.--(BUSINESS WIRE)--EPIX Pharmaceuticals, Inc. (NASDAQ:EPIX) today announced that Oren M. Becker, Ph.D., the company’s chief scientific officer, has co-authored a new instructional textbook, “Guide to Biomolecular Simulations (Focus on Structural Biology Vol. 4),” with Professor Martin Karplus, Ph.D., from Harvard University’s Department of Chemistry and Chemical Biology.