Angular2 Ebooks (edit)
http://www.learnangularjs.net/angular-ebook.pdf
https://frontendmasters.com/assets/resources/lukasruebbelke/better-apps-angular-2-day1.pdf
https://frontendmasters.com/assets/resources/lukasruebbelke/better-apps-angular-2-day2.pdf
Angular 2 Online Training