The truth is, Zelda has become the stuff of myth. It’s no surprise, then, that St. Martin’s Press has just released Z, A Novel of Zelda Fitzgerald, by Therese Anne Fowler. It’s a daunting enterprise, putting words in Zelda’s mouth, imagining her rich emotional life, whether jumping in a fountain in Washington Square, pinioned against a wall by Ernest Hemingway in a supposed sexual assault, painting watercolors from within sanitarium walls, or listening in bed to a husband’s cobbled dreams that may involve a sexual tryst with the same Hemingway.