diff --git a/_posts/16-10-01-Books.md b/_posts/16-10-01-Books.md
index b946a42..dcc4100 100644
--- a/_posts/16-10-01-Books.md
+++ b/_posts/16-10-01-Books.md
@@ -18,14 +18,16 @@ book to be added, send a PR and it will be reviewed for relevancy.
 
 ### Paid Books
 
-* [Modernizing Legacy Applications In PHP](https://leanpub.com/mlaphp) - Get your code under control in a series of
-small, specific steps
+* [Build APIs You Won't Hate](https://leanpub.com/build-apis-you-wont-hate) - Everyone and their dog wants an API,
+so you should probably learn how to build them.
 * [Building Secure PHP Apps](https://leanpub.com/buildingsecurephpapps) - Learn the security basics that a senior
 developer usually acquires over years of experience, all condensed down into one quick and easy handbook
-* [The Grumpy Programmer's Guide To Building Testable PHP Applications](https://leanpub.com/grumpy-testing) - Learning
-to write testable doesn't have to suck
+* [Modernizing Legacy Applications In PHP](https://leanpub.com/mlaphp) - Get your code under control in a series of
+small, specific steps
 * [Securing PHP: Core Concepts](https://leanpub.com/securingphp-coreconcepts) - A guide to some of the most common
 security terms and provides some examples of them in every day PHP
 * [Scaling PHP]( https://leanpub.com/scalingphp) - Stop playing sysadmin and get back to coding
 * [Signaling PHP]( https://leanpub.com/signalingphp) - PCNLT signals are a great help when writing PHP scripts that
 run from the command line.
+* [The Grumpy Programmer's Guide To Building Testable PHP Applications](https://leanpub.com/grumpy-testing) - Learning
+to write testable doesn't have to suck
\ No newline at end of file