How to Program Alexa: Step-by-Step Guide to Programming Your Amazon Echo Dot and Alexa App for Exciting New Skills , Styles, Logan, eBook - Amazon.com
Amazon.com: How To Program -- Amazon Echo: Design, Development and Testing Alexa Skills eBook : Jaquinta, Jo, Colella, Stacy: Kindle Store
GitHub - alexa-samples/skill-sample-nodejs-premium-hello-world: An Alexa sample skill that demonstrates how to use In-Skill Purchasing (ISP) features by offering a "Greetings Pack” and a “Premium Subscription that greets the customer in a variety
Developing Amazon Alexa Skills with the Go Programming Language
Alexa Programming Skills for the Amazon Echo
Adding Custom Skills To Amazon Alexa | by Binaya Lenka | Medium