"Search Inside the Book" is a feature which allows customers to search for keywords in the full text of many books in the catalog.[126][127] The feature started with 120,000 titles (or 33 million pages of text) on October 23, 2003.[128] There are about 300,000 books in the program. Amazon has cooperated with around 130 publishers to allow users to perform these searches.[citation needed]

BuyVia’s price comparison app might not have the best looking results page, especially in comparison to the other apps on this list, but the good thing is that it usually shows you options that other price comparison apps might not. For instance, if you are looking to compare book prices, the BuyVia app will also list used books, as well as brand new ones, giving you a wider choice of selection.


The Amazon Marketplace includes all products sold by sellers separate from Amazon. These third-party sellers may offer better deals, used items, and competitive shipping charges. Plus, Amazon guarantees the condition of your purchases. Some sellers do not qualify for free shipping under Super Saver Shipping, but they do offer free shipping to Amazon Prime members. Take special note of this when comparing prices between sellers, and even with similar sellers on eBay and Craigslist.

Paribus is a free tool that connects to the email account where you send your shopping receipts. From there, it tracks your receipts and stores' policies to see if you might be owed money (price drops, late deliveries, etc.). If they identify potential savings, Paribus will let you know and streamline the claim process to make it as easy as possible to get your money back.
Chandra is senior features writer at PCMag.com. She got her tech journalism start at CMP/United Business Media, beginning at Electronic Buyers' News, then making her way over to TechWeb and VARBusiness.com. Chandra's happy to make a living writing, something she didn't think she could do and why she chose to major in political science at Barnard Co... See Full Bio
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