Pay Per Click Search Engine Marketing For Dummies This book is a little older but it still covers the basics and has step by step guides on how to set up PPC. I highly recommend.
Pay-Per-Click Search Engine Marketing: An Hour a Day David Szetela is my idol. I follow him on Twitter, Search Engine Watch Blog and his podcasts PPC Rock stars. Plus this book is very current as it was just relea
Search Engine Optimization For Dummies Kent covers all the basics principles of SEO. You might want to read it twice
Web Analytics: An Hour a Day Analytics can be a bit of a dry subject but Avinash's colour commentary is hilarious and makes learning
Web Analytics 2.0: The Art of Online Accountability and Science of Customer Centricity I haven't read it but my colleague at work has and he said it was great. I can't wait to read it if it is anything like the first book.