Introduction to OKRs is free on the O’Reilly site. If you’ve read my book and blog, much will be familiar, but it’s a great way to introduce your colleagues to the core ideas.
http://www.oreilly.com/business/free/introduction-to-okrs.csp
“There’s no question that the goal-setting methodology OKR (Objectives and Key Results) helps companies achieve substantial goals—just ask Google, LinkedIn, and Twitter—but some organizations have struggled to make it work. This O’Reilly report explains how companies use OKRs to create focus, unity, and velocity within their teams, and how your company can succeed with this methodology.”