This book is the benchmark of bad textbooks. I refuse to believe the text ever saw an editor before it went into print; the authors - especially McPhee himself - wouldn't be able to recognize DIDACTICS if it came flying into his face; the text is extremely convulted written, confusing, unstructured, concepts are never connected, void of clarity, and in many instances just straight out wrong or self-contradictory; the book has no intention of actually conveying knowledge, instead it keeps digging into itself.
Also, do not believe the other reviewers who give this book 5 stars, they are not actual persons, but agencies paid by the publishers. Or, as I cannot actually attest to that, suffice to say anyone taking medical didactics seriously simply cannot reward this book 5 stars.