Pop-eyed%20creatures%20with%20horns%2C%20antennae%2C%20and%20snaggle-toothed%20smiles%20abound%20in%20this%20fun-filled%20coloring%20book%20of%2030%20comical%20drawings.%20Children%20can%20join%20the%20jolly%20little%20monsters%20and%20help%20them%20celebrate%20a%20birthday%2C%20navigate%20outer%20space%2C%20go%20camping%20and%20sailing%2C%20and%20enjoy%20other%20monstrously%20entertaining%20activities.