Massif - Garth Nix
Better known as a fantasy writer, Garth Nix's first science fiction novel initially feels a little tentative in its approach to what appears to be the space opera field. Rather than take the time to build up to how the people of Earth find a means to travel in space and explore other planets, the author explains it all in the brief prologue before seeming to settle down into rather more mundane aspects of military life aboard one of these spaceships that gets caught up in a skirmish with an enemy fleet. For quite a while you have no idea where it's going, but there is a larger scheme building in the background around the mystery of the Massifs. The origins of the Massif are laid out in that prologue, so I'm going to do the same. The first Massif appeared on Earth in 2097, arising into orbit out of the Marojejy massif in Madagascar, leading to the discovery of other space travelling Massifs, each with an enigmatic avatar entity. Normal technology won't work there, nor ca...