It's Now or Nether! (Minecraft Ironsword Academy #2)

"Morgan, Ash, and the rest of the team discover that their new friend Eek has traveled into the dark and dangerous Nether alone. Well, not exactly alone--there's a hostile skeleton that Eek thinks is his friend following him every step of the way. To make matters worse, in the real world, the team gets stuck in detention, leaving Ash to go after Eek alone. Find out what happens in the only official chapter book series based on the most popular video game of all time, where a group of intrepid Minecraft players on amazing journeys solve problems and unravel mysteries in the real world and in the world of Minecraft"--