"A story that explores new worlds packed with amazing adventures; ancient mysteries; the unlikely bond of a clumsy dancer, a boy from the poorest slums, and a superstar athlete--and their quest to save one small, distant galaxy from the forces of evil"--

Oona Lee arrives on Salassandra determined to light the yellow beacon and continue her quest to save the Five Worlds from the evil Mimic's influence.

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 trick...

The best part of blowing bubble is popping them, so when one of his bubbles gets away Dewey sets out in pursuit--because every last bubble must pop!