“Book of Business” is a term we hear all the time in office conversation, but what does this bit of jargon mean? More seasoned professionals may know and understand the term, but many young people belonging to the Gen X, Gen Y, and Gen Z generations have no idea what a book of business actually is conceptually. Many of these young professionals find themselves nodding along, trying to glean meaning from context. Let’s peel back the curtain and shed some light on what a book of business is and the many ways in which it can be used.