viii INTRODUCTION A.you will need to sweat a little (no pain,no gain).And that doesn't mean that you should spend day and night memorizing.Students who focus on memorizing will ex- perience the pain,but few of them will get an A. The simple formula:Review the principles until you understand how each of them fits into the plot;then focus all of your remaining time on solving problems. Don't worry.The course is not that bad if you approach it with the right attitude.This book will act as a road map for your studying efforts.A, you will need to sweat a little (no pain, no gain). And that doesn’t mean that you should spend day and night memorizing. Students who focus on memorizing will ex￾perience the pain, but few of them will get an A. The simple formula: Review the principles until you understand how each of them fits into the plot; then focus all of your remaining time on solving problems. Don’t worry. The course is not that bad if you approach it with the right attitude. This book will act as a road map for your studying efforts. viii INTRODUCTION 6753_Klein_00.qxd 5/1/07 5:02 PM Page viii