"After his grandfather vanishes, William and his family move to Norway where he is told to hide his puzzle-solving talents, but when he solves the Impossible Puzzle at the museum, things begin to go wrong and he is sent to a strange school."--Provided by publisher.
year:
call number/section: 1000
subjects: puzzles, juvenile fiction, secrecy, schools, fiction, secrets, norway, juvenile fiction, fiction, detective and mystery fiction