This book continues to impress. The first edition was excellent, the second and third even better. But the fourth edition is the best yet. Even if you own the previous editions, it is worth adding this one to your library because two new important chapters have been added on complex interventions and quality improvement (topics missing from other standard EBM textbooks).

As an EBM educator, researcher, and practitioner, I am unclear exactly for whom the book is best suited. I feel it is most suitable for those with …