What can be gained by reading the book about hip surgery and knee surgery?

This book is nonfiction containing medical information on the subjects of knee replacement surgery and hip replacement surgery covering approximately 99% of the facets and germane facts about these two quite complex subjects. We also cover what these two journeys have in common and uncover and explain commonly misunderstood issues. This is a book for the ordinary person considering whether or not to have either replacement knee surgery or replacement hip surgery done and offers advice and wisdom on this often complex and confusing subject matter, no matter what path is chosen. So, in answer to the question, "What can the reader obtain?", the reader will obtain new knowledge and understanding of these complex issues and can choose what pieces of this knowledge they wish to fully comprehend--as such, knowledge, understanding and comprehension are to be obtained--of course!