New York Times bestselling author Cory Doctorow and illustrator Matt Rockefeller present a sweetly scary picture book about a girl whose monster-catching activities delay her bedtime in Poesy the Monster Slayer . A monster slayer needs no bedtime! Once her parents are off to bed, Poesy excitedly awaits the monsters that creep into her room. With the knowledge she's gained from her trusty Monster Book and a few of her favorite toys, Poesy easily fends off a werewolf, a vampire, and much more. But not even Poesy's bubblegum perfume can defeat her sleep-deprived parents!