This is actually 2 books. The first is To Die in Italbar, which was an OK book. It’s sci-fi without any time spent on the tech end. The characters were all a bit flat, and weren’t really people I’d look fot.

The second novella, A Dark Travelling, is more to my taste. Quirky teen characters who must save the worlds, with a trans-dimensional family network and the like. The climax was quite solid.