Books
I hope the one you're holding will stay close to your keyboard for a long time; besides that, https://itunes.apple.com/us/artist/microstrategy-university/id445962707?mt=11 has a list of official MicroStrategy curriculum books available on iTunes. Of course, the product documentation is always the most updated source of information, especially for new features.
Lastly, a little off-topic but a really interesting book, about how to deal with customers and members of the board, when things go downhill:
Thank You for Arguing: What Aristotle, Lincoln, and Homer Simpson Can Teach Us About the Art of Persuasion by Jay Heinrichs. It is available at:
