Series: The Misadventures of Jonathan Lambshead

After Jonathan Lambshead's elusive grandfather dies, the recently orphaned teenager inherits the family mansion-and its contents. Jonathan soon discovers that the mansion's basement holds more than just oddities: three doors serve as portals, with one leading to an alt-Earth called Aurora, where magic abounds, history has been re-written, and an occult dictator called Aleister Crowley leads an army pillaging alt-Europe....