Bob Tait's Aviation Theory School

If you want to keep your recent copies of Bob's textbooks up to date then check out the Errata section.

You can also download and print out the supplements that came with the BAK, PPL and CPL Performance books. Now you can use your practice performance charts as often as you like without worrying about them getting too cluttered. Simply print out a new one and you're good for the next set of exercises.