As a young pediatrician, Dr. Stan Block discovered that many of his very sick, enigmatic patients (e.g., cases of tularemia, Ehrlichiosis) were rarely ever "routine." Perplexed, he would start a dogged, thorough evaluation loaded "with a list as long as my arm," and he would usually uncover the elusive diagnosis. Pediatrics was so much more complex than he had ever imagined.Vignettes of many unforgettable patients and his own prolific, inspired essays capture the spirit of Pedi...