Xanthe Bouma

Five imperiled worlds will be rendered extinct unless five ancient and mysterious beacons can be lit in the wake of erupting wars during which three unlikely heroes make surprising discoveries about their homes and themselves.

"In the epic conclusion to the 5 Worlds series, the final battle looms as Oona, Jax, and An Tzu travel to the treacherous world of Grimbo (E)! There, Oona must light the last beacon to save the 5 Worlds, but first she has to find it! When Jax saves an old friend, Oona is given a clue to the green beacon's location. Unfortunately, the journey to lighting it on this strange, watery planet is the most dangerous yet. Meanwhile, Stan Moon has one more...