The Buddy File．1，The case of the lost boy / The Buddy files．3，the case of the missing family / The Buddy File．4，The case of the fire alarm / The Buddy files．5，the case of the library monster / The Buddy files．2，the case of the mixed-up mutts / The case of the lost boy / 超狗侦探事件薄．1，男孩怎么失踪了，the case of the lost boy The case of the lost boy