Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Must-Reads and other Job Search topics.
Quintessential Careers has over 4,000 pages of free online content and an extensive "Career Toolkit"
If you visit http://www.quintcareers.com/career_books.html you'll get to their Reading Recommendations. It's a GREAT list and quite extensive. Recently they feature "I'm on LinkedIn - Now What??? A Guide to Getting the Most out of LinkedIn" by Jason Alba.