Gearing up for the Halloween season and October's Friday the 13th, the team that run the Harry Potter literary world site "Pottermore," reached out to me to collaborate on an idea where the monsters, creatures, and villains from the Potter books get reimagined as retro style B-movie horror posters. Having them narrowed down to five characters/scenes from the different books and each being depicted in a different decade's style of poster art, below is the collection, now viewable at Pottermore.com