Dr. Maniac vs. Robby Schwartz (Goosebumps HorrorLand #5)

Robby publishes a daily comic strip on the Web. It features Dr. Maniac, a villain with a wicked grin and even wickeder superpowers. And now Dr. Maniac is on the loose . . . in the real world! Will Robby survive his encounter with Dr. Maniac and join the other kids who have been summoned to HorrorLand? Either way, danger is drawing closer and closer. . . .