I don't get emails like this every day, I admit:
"The Joy of Tax" is absolutely brilliant! I'm only on Chapter 3, and I've already learned so much. In fact, I think what you've written is so important that I've decided to place it at the center of a new undergraduate class I'm designing, to be taught in the Summer or Fall of 2021.
As a consequence I thought I'd share this one. The author is a full professor at an Ivy League university in the USA.
The book is available here, and eslewhere.