This textbook left my brain feeling happy, full and filled with wonderful knowledge. Which is exactly what I want at the end of reading a textbook. After all, I read these kinds of books to fill my brain with knowledge. So finding that I felt more knowledgeable and super happy at the end of this made me incredibly happy.
As far as textbooks go, I really, really enjoyed this one. It was easy to read, interesting and I ended up reading a lot of it for the pure enjoyment. Not sure how much I actually absorbed, but I definitely enjoyed the adventure.