Primary school students' favorite puzzle bridge book
Butt Detective Bridge Book Episode 4
Phantom Thief U sent out a notice, and this time he set his sights on the "Twinkle of the Starry Sky" of the Yangliu family. Butt Detective accepted the request and went to the old house standing on the cliff facing the sea. First a strange package is received, then the housekeeper suddenly disappears, and the "Twinkle in the Starry Sky" really disappears... How did Phantom Thief U enter the Yangliu family and obtain the treasure?