Back in the days of bookstores you used to be able to tell what was hot in technology by looking at the shelves in the relevant section of the store. The current trend or fad would have dozens of associated titles filling the shelves, to the point that it became difficult to choose one.
Even though there aren't as many bricks and mortar bookstores as there used to be, the publishing industry still reacts to trends.
The trend being written about now is Minecraft.
Naturally there are the first-order books about Minecraft itself, or biographies of Notch or Mojang. Some examples:
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Old World Update #130
1 day ago