Conversion Rate Optimization Books Everyone in eCommerce Should Read

If you're getting started in conversion optimization, I recommend you read 4 books that I've purchased myself and found to be very valuable.

How To Choose The Best CRO Books?

I figured that buying some popular CRO books is the best way for me to get acquainted with this interesting industry.  I wasn't sure exactly which ones to buy at first but then I decided to base my decision on the conversion optimization experts I plan on following through my journey.I did also search on Amazon.com for a list of all the popular books.  The ones I chose were affordable and had really good reviews on them.4 Criteria to Consider:

1. Price
2. Author
3. Positive Reviews
4. Year Published
5. How easy is it to read

Conversion Rate Optimization Books You Should Read

Here's a list of 4 books I bought myself and currently reading page by page.  There's a lot valuable knowledge in each and they're all written by amazing conversion rate optimization experts.I plan on reviewing each book in the future. 

#1

Landing Page Optimization: The Definitive Guide to Testing and Tuning for ConversionsAuthor: Tim Ash

#2

  You Should Test That: Conversion Optimization for More Leads, Sales and Profit or The Art and Science of Optimized MarketingAuthor: Chris Goward

#3

 Website Optimization: An Hour a Day - A Conversion Rate Optimization and A/B Testing GuideAuthor: Rich Page

#4

 How to Build Websites that Sell: The Scientific Approach to WebsitesAuthor: Peep Laja

Have you read any CRO books that you recommend?