To experience the joy of mathematics is to realize that mathematics is not some isolated subject that has little relationship to the things around us other than to frustrate us with unbalanced checkbooks and complicated computations. Many of the phenomena around us can be described by mathematics. Mathematical concepts are even inherent in the structure of living cells. Author: Theoni PappasGrade 9 +Number of Pages: 240 Paperback Publisher: PappasISBN 0-933174-65-9