This set contains:
- Butt Detective #1 - Who Stole the Snacks? 屁屁偵探噗噗！找回消失的人氣點心
- Butt Detective #2 - Where's the Rainbow Diamond? 屁屁偵探噗噗！尋找夢幻的彩虹鑽石
- Butt Detective #3 - The Police Chief's Crisis 屁屁偵探噗噗！小局長的大危機？
- Butt Detective #4 - The Mystery of the Missing Bento 屁屁偵探噗噗！消失的便當之謎
- Butt Detective #5 - Thief of the Century 屁屁偵探噗噗！世紀怪盜現身
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Butt Detective #6 - There Are Two Butt Detectives! • 屁屁偵探 噗噗！有兩個屁屁偵探？！
- Butt Detective #7 - The Creature in the Snow Mountain • 屁屁偵探 噗噗！ 雪山的白色怪物？！
Hardcover | 32 pages per book | 20.2 x 26cm