Two mystery book stores in Manhattan will host book signings in May.
The Mysterious Bookshop, at 58 Warren Street, will have author Chris Grabenstein on Thursday, MAY 13 from 6:30-8 p.m. Grabenstein will be promoting his new book, Rolling Thunder, the latest in his John Ceepak series. For more information, call 212-587-1011.

Partners & Crime, at 44 Greenwich Avenue, will have author Michael Gruber on Tuesday, MAY 18 at 7 p.m. He will be promoting his new book, The Good Son. For more information, call 212-243-0440.
