The Little Blue Book (TLBB) is a physician directory that has been used by over 300,000 physicians for 22+ years to find referrals. It provides detailed information for physicians like addresses, phone numbers, specialties, and health plan acceptances. Surveys have shown that 66% of physicians use TLBB more than 3 times a day and 91% would recommend it to a colleague. The data is updated annually as 70% of physician information changes each year. Advertisers see a 20:1 return on investment for ads in TLBB as physicians who use it wrote $5 million more in new prescriptions over 3 months than non-users. TLBB reaches over 435,000 physicians in the United States across