With the secret of Briny Deep finally exposed, Tim and his friends must run for their lives. Their journey will take them far away to a strange land where more incredible surprises await. And as a war between two distant lands begins to erupt, Tim must have the courage to dig deeper than he ever has before.
Definitely not the best in the trilogy, and while we have a sense of closure for what happens to our main characters, the introduction of a possible new storyline in the last pages was more annoying than intriguing.
A VERY quick read, but a good one. Of course it is written for kids, but it has some parallels with A Wrinkle In Time (including the description of space travel