Everything stinks! Alexander, Rip, and Nikki aren't in the same class anymore. The monster notebook is missing. And a HONKing monster is sliming Stermont! Plus, actual smelly stuff is going missing all over town. Could all of these stinky things be connected? The S.S.M.P. will have to sniff out their latest monster! Pick a book. Grow a Reader! This series is part of Scholastic's early chapter book line Branches, aimed at newly independent readers. With easy-to-read text, high-interest content, fast-paced plots, and illustrations on every page, these books will boost reading confidence and stamina. Branches books help readers grow!