The must-read middle-grade novel from the author of super-spooky Crater Lake. Perfect for 9+ fans of R.L.Stine-s Goosebumps.-Deliciously scary and hilarious comedy-horror, perfectly pitched for eight-plus.-The Guardian-Brilliantly creepy fun for young horror fans, with an unexpectedly moving ending.- The i, 30 of the best children-s books for Easter.-Jennifer Killick-s talent for horror and humour is blended brilliantly here as the spiky dialogue, unstoppable pace and genuinely menacing atmosphere build to a tremendous climax-- Daily Mail-A heart-stopping thrill ride of a book.- - M.G. Leonard, author of Adventures on Trains series-BRILLIANT!- - Vashti Hardy, author of Brightstorm WINNER of the Young Reader category in the Children-s Literature Festivals Book Awards 2023!It''s basically the worst school detention ever. When classmates (but not mate-mates) Hallie, Angelo, Gustav and Naira are forced to come to school on a SATURDAY, they think things can-t get much worse. But they-re wro