How Much Is That Guinea Pig in the Window? (Hello Math Reader. Level 4)

Rating:
Summary: Best Math Book in the World!
Review: How Much is that Guinea Pig in the Window is about one of the best books I've ever read! It's learning math and having fun at the same time. When Mr.Day's class fids out they have $50 from the bake sale, that's only the beginning! You'll love How Much is that Guinea Pig in the Window?