I'm a quality assurance engineer with sixteen years experience in the field of healthcare.  My books are all available in print and e-book from Amazon Kindle & Barnes&Noble NookBook for $4.99. If you prefer the experience of feeling, smelling and reading the print version, discounts of 20% to 75% are available direct from the publisher at http://stores.lulu.com/store.php?fAcctID=4294111