Google for Business Educators has several high-quality materials for free on their site.

Here is an easy way to view them online: Scribd.com

Here are some notable texts for download:

Analytics textbook (pdf)

Google Analytics a Powerful Tool for Marketers

Marketing and Advertising (pdf)

MarketingAndAdvertisingUsingGoogle(2)

Google print, radio and television advertising (pdf)

Google AdvertisingOffTheInternet(2)

IntroductionToNewInternetMediaAdvertisingAndTools(2)

Google Business has a great playlist for Conversion University — there are dozens that cover beginning to advanced subjects.

Here are a few recommendations:

Beginning Analytics: Interpreting and Acting on Your Data

Bounce Rate as the most important metric

(FYI: KPI = Key Performance Indicator | stands4.com)

Location Targeting

Tracking Offline to Online Campaigns

Google Website Optimizer Tour

Optimizing the User Experience

Introduction to AdWords Auctions