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This first book in a completely quirky mystery-adventure series from #1 New York Times best-selling author Melissa de la Cruz is chockful of humor, action, and mischief. Set at the secluded, high-tech Octagon Valley Institute—where only a select few sixth grades are chosen to attend a mysterious weekend—this is one EXTRAordinary story you won’t want to miss.
9999711 in stock
