You are buying a digital book. There is a hard copy as well that sells for $125.
The eBook purchase is $95 and good for 24 months.
If you pay $180 you will get the eBook and a Full Color Printed Copy shipped for free to the Lower 48 States.
The retail price of the printed book is $125 plus S/H of $12 and the eBook is $95 for a total of $232. You save $52.