Originally Posted by moffattm
Also, when you tap the "Buy" button it will ask for your credit card info if you haven't already entered these details, but there is a "Skip" button on this screen so you can skip entering your CC details and get to the page that shows you the price. Unfortunately you have to skip every time you tap the "Buy" button as it doesn't remember you want to skip!
Don't press the "Buy Now" button. Press somewhere else on the line. This opens the details page for the book which does have the price.
@galneweinhaw: On the details page, pressing "Synopsis" opens a menu. Choose "Details" to see the file size and other details.