One of my go-to sources for how to do stuff on my Mac, iPhone, iPad and other Apple devices has always been Take Control Books. I've learned so much over the last couple of decades …
If you want to boost your knowledge then check out the catalogue today as they have a brief sale:
Pi Day+ Sale! Save 31.4% on all books (including upgrades)! Sale runs through Monday, March 17 at 11:59 PM CST.
