Books come in many different formats, such as ebooks or print. There are millions of books to choose from on any given day as the number of writers in the world continues to grow. Instead of going to the bookstore and paying full price for a hardcover or paperback book by one of these famous writers, use Bookbub.com.

This service is centered on Amazon and does one thing perfectly—finds the latest deals and offers them to you based on your specific interests

With so many books being published, it would be impossible to keep an eye on the entire market. Even the self-published books, which are often scoffed at, can be a real gem— if you only knew it’s there. Bookbub.com does this for you.

What many people may never realize is that Amazon has deals and sales all of the time. The only problem is there is no way for them to advertise all of them, because there are simply too many (and we’re only talking about books). With Bookbub.com, a free service, you get to select the genres you enjoy, the authors you prefer, and even the retailer you like best. Barnes and Noble Nook, Apple iBooks, Google Play, and Kobo are also connected to Bookbub.com. Once your preferences have selected made bookbub.com compiles a list and sends you a daily email of the latest deals.

Here’s the best part: the latest deals are often free ebooks that no one knows about. There could also be books for 99 cents to $3.99 that day, when their full price listings are sometimes are no better than walking into a bookstore.

There are millions of options, thousands of daily deals, and any author in the world is able to be searched. Even if an author or a book isn’t offering a deal when you want it, you can bookmark the selection to send you a notification if, and when, a sale is being held.