Robbins & Cotran pathology books. There are three versions of the same text textbook ranging from a massive, detailed tome to pocket reference book. We refer to

Robbins & Cotran pathology books. There are three versions of the same text textbook ranging from a massive, detailed tome to pocket reference book. We refer to them as "big-," "medium-," and "little-Robbins." I have all three, but "medium Robbins" is my favorite.