Here are resources for the book Simple Spreadsheets for Hard Decisions:
One of the most useful features of the book is Appendix A, a compendium of the key Excel techniques for decision-makers. This has been updated for current versions of Excel and available here for free download. Earlier versions are available here as well.
Appendix A Windows 97, 2000, 2003
Here is a zip file of all the spreadsheets for the book: