Karen Lang & Selim Tezel 
Become an App Inventor: The Official Guide from MIT App Inventor [PDF ebook] 
Your Guide to Designing, Building, and Sharing Apps

DESIGN, BUILD AND SHARE YOUR OWN APPS – NO EXPERIENCE NECESSARY!Design, build and share your own apps with the official guide from MIT App Inventor. Follow simple step-by-step instructions for six different projects using MIT’s free App Inventor website, and you can make a maze game, a translation game and even a personalized chat app! Use what you’ve learned to come up with your own ideas, then download your new apps to a phone or table, and share them with friends!Along the way, you’ll hear stories of young app inventors from all over the world, who are using MIT App Inventor to create amazing apps that solve real-life problems. Learn, invent and change the world!