I hate buying textbooks for class, but this is the one textbook that i'm going to keep after class. It is more like a handbook as it contains an incredible amount of useful information on valuation. WACC, ROIC, EP, DCF it is all here the list could go on and on and ..... The workbook gets you tuned into the finer points that can get lost in the regular text. Reading the workbook questions makes you say "oh, that's what they were talking about." This book is extremely helpful if your teacher gives you a 100 true/false question test as my teacher did. Overall a great supplement to the valuation book. However, the book seems to contain some errors such as the broken out ROIC formula. In the main text it is listed differently than what is in the workbook. Not so helpful when trying to study for a test.