You are buying a digital book. There are 6 Chapters done and more will be added as they are completed.
The eBook purchase is $250 and good for 24 months.
If you pay $450 you will get the eBook and a Full Color Printed Copy when the eBook is done. Free shipping to the Lower 48 States.
The retail price of the printed book will be $350 plus S/H of $22 when it is completed in about 24 months. The eBook will still be available to you after the printed book is delivered to your door for the remainder of the nine months. You can study anywhere and also keep the printed book at the shop as a reference for everyone.