Mrs. God by Peter Straub Pegasus Crime, $23.95, 185 pages, ISBN 978-1-60598-304-2 Mrs. God by Peter Straub is a different kind of a ghost story; it’s a murder mystery and a wee bit of a horror novel to boot.  I have to say it’s one of the more bizarre pieces I’ve read in quite some time. The story is about professor William Standish, who receives a prestigious and coveted