"Sycamore seed siblings Merwin and Louise must use their wits and imaginations to navigate a mysterious and often dangerous world, filled with talking plants, monsters, meteors, and the fear of never finding the right conditions to set down roots and become big trees." --

Toby Lolness may be just one and a half millimeters tall, but he's the most wanted person in his world, the world of the great oak Tree. Toby's father has made a groundbreaking discovery: the Tree itself is alive, flowing with vital energy, and there may even be a world beyond it. Greedy developers itch to exploit this forbidden knowledge, risking permanent damage to their natural world. But Toby's father has refused to reveal his findings, causing...

The golden age dawning at the Great Ga'Hoole Tree does not unfold as expected, and conditions worsen as the young king hunts for the truth about his ancestry.