"Children's stories." . . "Mystery and detective stories." . . "Secret treasure"@en . . . . . "Horrible Harry & the secret treasure"@en . . . . . . "Harry's interest in solving mysteries has caught the attention of his classmates in 3B, so he challenges them to discover what he has hidden in a giant, old suitcase."@en . . "Horrible harry and the secret treasure"@en . . . . . . "Mystery and detective stories" . . . "Mystery fiction"@en . . . . . . . . "Electronic books" . "Horrible Harry and the secret treasure" . "Horrible Harry and the secret treasure"@en . "Electronic books"@en . . "Another fun mystery starring Horrible Harry, and this time he's calling the shots! Harry has always loved solving mysteries, and now his friends in Room 3B have learned to love it, too. So Harry challenges them to figure out what he has hidden in his giant, old suitcase. Led by a very determined Mary, the kids take turns solving clues and piecing the mystery together. Their hunt leads them from the classroom to the library, and even to Harry's grandfather's nursing home. Will they be able to solve Harry's mystery' Or will things go horribly wrong for the novice detectives'"@en . . "Third-grader Harry thinks of a way to patch up a conflict with his schoolmate Mary and include his friends in a fun detective case with rewards for everyone, including Grandpa." . "Third-grader Harry thinks of a way to patch up a conflict with his schoolmate Mary and include his friends in a fun detective case with rewards for everyone, including Grandpa."@en . . "Fiction" . "Fiction"@en . . . . . . . . . . "Juvenile works" . "Juvenile works"@en . "AmitiƩ Romans." . . "Grands-parents Romans." . . . . "JUVENILE FICTION / Readers / Chapter Books." . . "Horrible Harry (Personnage fictif) Romans." . . "Ecoles Romans." . .