The Underworld Agents: Operation Phoenix Feather

The Underworld Agents: Operation Phoenix Feather Three teen spies. One mythical artifact. Seven days to stop a global disaster. When the legendary Phoenix Feather is stolen from a hidden vault beneath the city, it's more than just a priceless relic gone missing—it's a ticking time bomb. Legend warns that if the Feather is burned in the wrong fire, it will awaken an ancient force known as the Ash Plague, capable of turning the world to ash. Enter the Underworld Agents: ?? Lila – A fearless codebreaker with a sharp mind and a hidden past. ?? Jax – A gadget genius who can hack anything—except maybe his own nerves. ?? Theo – A gravity-defying daredevil with a heart of gold and a flair for chaos. With only seven days on the clock, this elite trio must descend into the city's forgotten underworld—a maze of ancient tunnels, secret libraries, and magical traps—to recover the Feather before a rogue group of ex-agents unleashes catastrophe. From rooftop chases and lava-filled vaults to mythical guardians and betrayal in the shadows, this high-stakes adventure will keep readers turning pages until the final flame goes out. Perfect for fans of Artemis Fowl, Alex Rider, and City of Ember, The Underworld Agents: Operation Phoenix Feather is the explosive first book in a thrilling new series full of mystery, ancient secrets, spy tech, and courage under fire.