Book excerpt: Teacher Craft is about how teachers learn to use new digital media. Teacher learning is central to reform and change across subject areas and age levels, but how much do we really know about how teachers learn to try new lessons in classrooms? Minecraft is currently the game of choice for millions of youth and also for these seventeen teachers who claim it has transformed their classrooms. Its rapid adoption also provides a unique window of opportunity to look inside the recent memory of innovative teachers and unpack how they learned. Why did they pick Minecraft? More importantly, how did they pick Minecraft? Where did they hear about it? Who do they trust for ideas? How do they test new ideas? Can we begin to identify the trajectories of truly innovative teachers? It turns out, we can - and it may not be what you'd expect. "