Rise of the Ender Dragon (Diary of a Minecraft Zombie, Book 48) by Zack Zombie

Ever wonder what life is like for a Minecraft Zombie? When Zombie discovers that Blaze Blazelton battled an Ender Dragon to get a Dragon Egg, he's super jealous. He wants to become the next Dragon Rider of Minecraft! So... he takes the Dragon Egg to teach Blaze a lesson about showing off.

But when the Egg hatches and the baby Ender Dragon goes missing, Zombie realises his huge mistake. And when the baby Ender Dragon begins terrorising the Villagers, Zombie must find a way to tame it before it's too late!