Have YOU ever had a bad week? The hilarious new series taking the world by storm. He's been naked in front of the whole school, survived a marooning, a kidnapping AND a giant sinkhole, and every one of these cringe inducing moments has gone mega viral! Justin Chase is having the WORST WEEK EVER! Time for nice relaxing weekend, right? WRONG! As Justin must face his spookiest challenge yet… zombies! No, really! And these aren't just any zombies… he lives next door to the cemetery for ELITE ATHLETES! Monday was manic, Tuesday was traumatizing, Wednesday was weird, Thursday was terrifying and Friday was frantic. But now… it's SATURDAY. The sixth book in the hilarious new seven-part highly-illustrated series for fans of the globally bestselling Treehouse series.