200 pages, soft cover, black and white

Takashi is busy returning the names his grandmother trapped in her book and helping the local yokai with their problems. But he has to put his good deeds on hold when a black Nyanko Sensei snatches the Book of Friends! Takashi and the real Nyanko trail the bad cat to a secret yokai meeting deep in the forest. Will they be in time to stop the impostor's wicked plans?!