Download BookSearch 1.2 for Mac from our website for free. The program lies within Education Tools, more precisely Reference.
From the developer:
BookSearch ... Have you ever been at Barnes and Noble or Borders and wondered if you could find the same book you wanted cheaper online? Have you ever wanted a single destination for all of your online book shopping. We at campusbooks4less.com have created a solution to meet these needs. Our BookSearch application allows iPhone users to search for online prices of books using an ISBN number, the book title or author(s) and by keyword.
You may want to check out more Mac applications, such as SGDVLite, which might be related to BookSearch.