A mystery, a school story, and an adventure all wrapped up in one book. Great past-meets-present-and-influences-future plot! The first in a new series. Sixth grader Benjamin Pratt discovers an old leather pouch that contains a parchment scroll written by three students in 1791. Ben, his tech-savvy friend Jill, and the class know-it-all Robert uncover their historical school's remarkable legacy. Illustrations.