Sharp turns ahead! All aboard the next-to-last thrill ride in this epic series from fright-master R.L. Stine! And be prepared for the most shocking twists yet. . . Not long ago, Luke and Lizzy Morris dared to spend one day at HorrorLand, the terrifying theme park where nightmares come to life. They thought that NOTHING could lure them back, but their travel plans are about to change...Who—or WHAT—is summoning ordinary kids to HorrorLand and trapping them there? Luke and Lizzy are determined to find out. They've gathered every clue, and they even launched their own secret website at EscapeHorrorLand.com. No hace mucho tiempo, Luke y Lizzy Morris se atrevieron a pasar un día en HorrorLandia, el parque temático donde las peores pesadillas se hacen realidad. Pensaron que NADA podría hacer que volvieran a visitar ese parque, pero sus planes están a punto de cambiar...¿Quién está invitando a chicos a HorrorLandia para atraparlos? Luke y Lizzy están decididos a averiguarlo. Han seguido todas las pistas y llegarán al final del misterio.