Although some of the information contained in this book will be common knowledge for experienced aircraft mechanics working in the field, the section on hardware such as bolts and the section on corrosion are worth the price of the book alone, even for those with experience. Every aircraft mechanic needs to have a copy of this book. This book is as essential as Kevin Carter's book concerning the A&P; License and having a high-paying aviation career ([...]).Every person working as a mechanic as well as every person interested in becoming an aircraft mechanic needs to have a copy of this book. I recently found myself without a copy, and that's when I realized its true value.I find some of the table lacking, but the book still contains much needed information for those of us working out in the field. Do not hesitate to buy this book. You will need it.