The beginner's guide to Mathematica - version 2

From the Publisher: This is a new edition of the successful book The Beginner's Guide to Mathematica. It teaches the basics of Mathematica's powerful new Version 4, including chapters on its new high speed numerics, statistics and data analysis, and image processing. It also includes chapters on the interactive system for typesetting equations, on using style sheets, defining functions, creating graphs and notebooks, and on applying useful problem-solving techniques. Many concepts are illustrated with real life examples written in the authors' engaging dialog style.