Hello
If you have questions about my books or courses, or you would like to work with me, you can contact me at martin@pythonguis.com. Under normal circumstances, you'll hear back within 3 days.
Customer support
If you've bought something from me and there is a problem, let me know! The best way to do this is through the links in the original purchase email, but if that's not working for some reason, email me directly at martin@pythonguis.com.