204 p. :ill. (chiefly col.). --
"Atheneum Books for Young Readers."
"Reading group guide inside"--P. [4] of cover.
As the new Keepers of the School, sixth-graders Ben and Jill must decipher a handful of clues written as maritime riddles to save their school from demolition by a greedy company.
"Ages 7-10"--P. [4] of cover.
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1.Riddles--Juvenile fiction.2.Schools--Juvenile fiction.3.Mystery and detective stories.Dynamic Details