Jill Keppeler 
Into the Cave [PDF ebook] 

Maria and Mike are bored. They like visiting their aunt on her ranch, but there’s only so much to do, and they can’t even play Minecraft. But when a mysterious librarian gives them a special map, the kids find themselves on an adventure they didn’t expect: an adventure into a world right out of Minecraft itself! This graphic novel will intrigue young Minecraft fans with relatable characters and game-themed problem solving, and set the stage for further adventures.