This text book goes with the Beginning Iridology 501 Class at The Avicenna Institute. Students who enrolled after December 1, 2013 receive this book for free with their course. All previous students enrolled before December 1, 2013 receive only the e-book version for free. Audit and CEU students (discounted enrollment) do not receive physical texts with their classes. To order the print version use the order button here. Shipping is included in the price.