in this book The Notebook of Doom is missing and Alexander and his fellow monster-hunters Rip and Nikki are convinced that the boss-monster has it. But is that monster the mysterious Principal Vanderpants--who is certainly behaving oddly--or someone else?
- Book Cover Type: Paperback
- Age Group: 6 to 8 year old
- Genre: Children
- Persian Title: کتاب دفتر خاطرات هیولاها 12 اثر تروی کامینگز
- ISBN: 9786004620291
