Your favourite paranormal investigator is back, with yet another adventure that is sure to have you glued to your seat. No, it's not dreamboat Trent Reilly and his Paranormal Society, it's Mason Mooney! What do you mean you've never heard of him? He's the world's greatest paranormal investigator. It's Hallowe'en in Grimbrook, and that really means something here. It's when the veil between our world and the world of the paranormal is at its thinnest. It's the perfect time for Mason to go hunting for ghouls and phantoms, break a witch's curse and don his best fancy dress for the school dance. When Mason spots something sinister in the gym, he knows he has to follow it and find out what's going on. With parallel dimensions, evil clones and sudden showers of frogs, Mason Mooney: Doppelganger Detective is another hilarious and spooky adventure for kids that love twists, turns and mysteries.