Complex sentence: His aunt and uncle also introduce him to a girl named Hannah who lives next door, and in the leadup to Halloween, Alex learns this town is a little obsessed with werewolves and even believes in them.
Split into simpler sentences: His aunt and uncle also introduce him to a girl named Hannah who lives next door. In the leadup to Halloween, Alex learns that the town is a little obsessed with werewolves and even believes in them.