Monday 5/1: Reyna Biddy presents and signs I Love My Love. 7 p.m. at Book Soup. Tuesday 5/2: Gina Sorrell launches her new novel, Mothers & Other Strangers. 7 p.m. at Chevalier’s Books. Scott Westerfeld discusses and signs Spill Zone. 7 p.m. at Vroman’s Bookstore.