MMP comes in three different packages. Pick the one that's best for you!
That depends on your budget. I strongly suggest the Complete Package because the code is very helpful for understanding the book. That said, the Basic Package has a ton of value all by itself.
Absolutely! Just reply to your confirmation email that you'd like to upgrade and I'll set it up for you.
Stripe and Rails both move fast. As they do, I send out periodic updates to the book and the sample application.
No problem. Just send the amount that corresponds to the version you want to
The book uses Rails 4.2.4, Ruby 2.2.3, and Stripe 1.26.0.
The current version of the guide is the product of over a year of editing and conversations with dozens of developers just like you. If you're a Rails developer integrating Stripe, this is the guide for you. That said, if you feel like you haven't gotten your money's worth, simply send me an email for a full 100% money back guarantee.