For the architect see Jim Jennewein (architect) Jim Jennewein (born James Jennewein) is a screenwriter and writer. In 2008, he partnered with author Tom S. Parker and together they wrote their first novel, Runewarriors: Shield of Odin, which is based on Norse mythology. The Runewarriors series was continued with 2010's Sword of Doom and 2011's Ship of the Dead. He is a professor at CSU Northridge.