In the preface, the author writes “Indeed, the avoidance of too much detail and too many theories is a prime objective”. I feel that this aim prevents the book from becoming a required text for either students or practitioners of epidemiological research, as the author’s writing style is engaging and very easy to follow. As a result, I struggle to imagine to whom this text is targeted. A student of epidemiology requires far more detail and, most likely, would find this text superfluous. At the other …