March of the vanderpants: a branches book (the notebook of doom #12)

Could principal vanderpants be the boss-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!in book 12, the s.s.m.p. needs to track down the boss-monster and get their monster notebook back! alexander, rip, and nikki are keeping their eyes open for clues. then alexander spots principal vanderpants carrying a white bucket filled with spaghetti through that mysterious locked door on the 13th floor. why is the principal acting so strangely? could she be the boss-monster?