Build Ajax into your Web Apps with Rails
http://www.ibm.com/developerworks/web/library/x-introajaxrails/index.html

Herrington, Jack D.
IBM
2006

Abstract:

Ruby on Rails provides an excellent platform for building Web applications. Discover how to use the built-in Asynchronous JavaScript(TM) + XML (Ajax) features of the platform to give your application the Web 2.0 rich user interface experience.