With her trademark curiosity and humor, Mary Roach demystifies oddities of the human digestive system in this collection of "Adventures on the Alimentary Canal."

April 23: " 'A job,' the woman repeated again, smiling, as if I hadn't heard her. 'Would you like one?' "

Kenneth Calhoun (Black Moon) and Lysely Tenorio (Monstress) of the Discover Great New Writers program on B-movies, heritage, and finales.