"Containing well-fleshed-out characters with layers of depth and a plot that keeps surprising you with its unexpected twists, turns, and reveals, L. M. Poplin's adventure odyssey entertains you from start to finish." -Readers' Favorite Desperate to return to 1915 Boston, fifteen-year-old Penelope Clark must unlock the secrets of time travel and repair the damage caused by her previous time jump while trying to solve the mystery...