 Now, Dr. Vince Callahan, let everybody know how they can find you, how they get your book, and how they can learn more about the wonderful work that you do. So the easiest way is drvincecallahan.com. That connects to our main website. On that website, there is a free book called Family Handbook. I sat down and for the last six months basically took my 38 years of practice and put 101 basic tips for families today.