Thirteen-year-old Penelope, the secret author of macabre tales in "The Penny Dreadful," Victorian London's bestselling magazine, investigates the mystery of a strange phenomenon occurring in the local insane asylum. Interest Level: 3-6 Reading Level: 7.1 ATOS Book Level: 7.5 AR Interest Level: MG AR Points: 9 AR Quiz: 171529EN Reading Counts Level: 9.4 Reading Counts Points: 14 Lexile Measure: 1050.