Learn MongoDB
mongly.com
mongly.com
Also, I found myself typing "db.unicorns.find()" a few times in order to remember the schema. It would be easier if this data persisted in the scrolling history or something so I didn't have to reexecute this command a few times.
Great job though, I did the 15 min tutorial and felt like I had good control of the basic CRUD syntax by the end of it.
And the linked book was concise, clear, and definitely worth the read.
*nitpick: I also ran into a glitch, and wound up redoing 18 lessons. On the bright side, I think this helped.
This would be a great format to help learn programming languages (thinking Zed's Learn Python the Hard Way).