Lovers at the Chameleon Club, Paris 1932, the new novel by best-selling author Francine Prose, is full of the kind of characters that would be at home in a John Irving story. Weird, conflicted, flawed and pushing at the edge of believability. But Prose not only populates her fiction with adventure, artistry and Parisian scenes of the ’20s and ’30s; she also touches on some of history’s brightest and darkest times. As the title suggests, the novel is set at the Chameleon Club, where women dress as men and men dress as women. The hostess is a torch singer, and the clientele includes a young Hungarian photographer and a daring female racecar driver who eventually shocks everyone with her Nazi sympathies. Francine Prose makes an appearance at Malaprop’s on Thursday, May 8, at 7 p.m. Free. malaprops.com.