This document discusses using the game Minecraft in libraries. It explains that MinecraftEdu is a customized version of Minecraft designed for educational use that includes tools to build worlds and activities for different subjects. The document provides an overview of costs, benefits, and considerations for libraries implementing a Minecraft program, such as developing skills in students and offering opportunities for social learning and makerspace activities. It concludes that for some libraries, the dollar investment, program time, staff time, and disruption may be worth the educational benefits of Minecraft.