Should you take the plunge and advertise yourself in one of the many photography source books around? In the modern digital world we live and work in, the answer is not at all clear, notes New York photo rep Frank Meo. In this month's edition of his series for Pro Photo Daily, Meo examines the pros and cons of source books and offers tips about choosing the best one for your photography business. The right choice, he notes, will be the source book that supports your efforts on various levels. The key, says Meo, is to have a well-conceived plan of attack before you place your ad.