There's a monster upstairs and it says peek-a-boo

Anya and Mishka are at it again solving the mystery of a monster living up in Anya's attic. It claws, shrieks, laughs and its claws drip red-something! Will Anya and her cousin Mishka figure out the invisible monster? Will they be able to convince Anya's parents of its presence? Read on to find out how the monster is finally confronted and what it turns out to be. A story that ends pleasantly with the readers learning interesting facts about the "Monster".