Algebra the Easy Way (Barron's E-Z)

It's an algebra text in the form of a fantasy novel, with the story's characters solving problems by using algebra. Readers discover the hows and whys of equations, negative numbers, exponents, roots and real numbers, algebraic expressions, functions, graphs, quadratic equations, polynomials, permutations and combinations, matrices and determinants, mathematical induction, and imaginary numbers. 100+ drawings & diagrams.