The Last Inventor of Sky-City

A high-flying adventure where brilliant imagination meets the battle for the environment!Twelve-year-old Leo Finch thinks life in Sky-City-a spectacular metropolis floating high above the clouds-is completely boring. He spends his days building mechanical pigeons just to pass the time. But the boredom vanishes instantly when the city's ancient Heart Engine begins to flicker and die. If it fails, Sky-City will plummet from the clouds.
Guided by a mysterious glowing compass left by his grandfather, Leo and his best friend, Zara Bloom, stumble upon a hidden workshop, a tea-spraying robotic inventor named Professor Kettle, and a centuries-old secret: Sky-City is powered by a hidden, magical ecosystem known as the Living Forest. And right now, the forest is being drained of its life by a greedy corporate villain, Magnus Steel. With the city literally falling out of the sky and cheap villainous drones closing in, Leo discovers he is the descendant of the city's legendary original creator.
To save his home, he must finish an impossible, long-lost blueprint: the Seed Engine. Can Leo find his inner inventor and unite his city before time runs out?Perfect for fans of whimsical sci-fi and eco-adventures, The Last Inventor of Sky-City is a thrilling middle-grade journey about friendship, responsible technology, and the power of young people to protect their environment.