Jill Keppeler 
Overworld Beckons [PDF ebook] 

Brother and sister Mike and Maria have found their way out of the Minecraft cave system in which they discovered a magical portal from their world. Now they have a new challenge: a huge landscape in which to explore, build, and survive! They’ll need to learn more about the resources there if they want to achieve all three goals. Young Minecraft fans will enjoy this peek into what it would really take to navigate and live in the game-themed world and learn more about how Minecraft resources relate to real-world ones.