Alexander Bopp and his friends in the S.S.M.P. (Super Secret Monster Patrol) face a spooky new challenge in the seventh book of the Notebook of Doom series. Strange, dark, shadowy monsters are zapping the color and happiness out of everything in town, leaving behind a gloomy, gray world. With the help of his trusty notebook, Alexander must figure out how to fight these 'Shadow Smashers' and save Stermont from being plunged into permanent darkness. It's a race against time to restore color and joy before the shadows take over for good.