Car benefit calculator
The best Excel version I have found (and slightly modified) to help you choose between a company car or take the allowance they offer you.

click image to view output screen, then get it HERE

Sun Tzu - Art of War
Probably the first, and most respected, book on strategy ever written. Click image to download as a ZIP file.

Now available free as part of 'Project Gutenberg'.

The famous 'Origin of Species' by Charles Darwin. Also available free and part of 'Project Gutenberg'.

Click image to download as a ZIP file.