Website set up to sell Ebooks

Hi, I am seeking a website designed to sell an Ebook package containing 27 titles. Site should be simple, nothing fancy. Site should run like this url. [login to view URL] First page is a sales letter (you do not have to write this) throughout you will place "buy now" buttons using paypal to maintain customers security. On pressing the buy now buttons you will link paypal. Once sale is completed and accepted, you will have a page for customers to download files. It is your responsibility to upload these 27 files to my host website and making sure the whole transaction works smoothly. Please notify the timeframe you require to set this up. Thank you