This two page Google Cheat Sheet lists all Google services and tools as well as background information. The Cheat Sheet offers a great reference to grasp of basic to advance Google query building concepts and ideas.

The two pages of Google Cheat Sheets cover:-

o A list of all Google domains
o Company information
o Founded Date
o Key People
o Revenue
o Employees
o Contact Address
o Contact Phone & Fax
* PageRank
o Googlebot 2.1 Addresses
o List of sites with PageRank 10
o PageRank formula
o Google Form Elements
o Google Services
o Query structure to access directory listings of:-
o Music files
o Movie files
o List of basic Google Calculator operators
o List of advanced Google Search operators
o List of Google Investments
o List of fun Google services and tools
o List of 15 official Google Blogs
o Google Calculator examples
o Search by number examples

And more!
Ideal for novice, intermediate and advanced Google users!

Its free from the author's site as well, but here's the direct link.

http://www.adelaider.com/google/?cheatsheet