At the very beginning of his book: An Imaginary Tale: The Story Of The Square Root Of Minus One, Paul Nahin warns his readers: "Imaginary Tale has a very strong historical component to it, but that does not mean it is a mathematical lightweight. But don't read too much into that either. It is *not* a scholarly tome meant to be read only by some mythical, elite group.... Large chunks of this book can, in fact, be read and understood by a high school senior who has paid attention to his or her teachers in the standard fare of pre-college courses. Includes an Index.

(Key Words: Mathematics, Science, Complex Numbers, Radicals, Paul J. Nahin, Pi, Kepler's Laws, Equation, Vectors, Polar, Leonardo Pisano, Fibonacci, Imaginary Numbers, Casper Wessel, Leonhard Euler, John Bernoulli ).