Welcome to the ranks of the Nephilim. You have been chosen by the angel Raziel to protect the human world from the terrifying demons that lurk in the shadows. But before you can wield a seraph blade, you need to know what you are up against. Since the thirteenth century, the Shadowhunter's Codex has been the ultimate survival guide for young warriors. Inside this essential manual, you will discover the rich history and strict laws of the Shadow World. Learn how to identify and interact with vampires, werewolves, warlocks, and faeries. Master the art of using a stele, decipher obscure demon languages, and find out exactly what a Pyxis is. Packed with lore, geography, magic, and zoology, this comprehensive guide is the difference between life and death on the battlefield. Study hard, trust your instincts, and prepare to defend our world.