Everything you need to understand or teach The Ghosts of Inverloch, The Wrath of Hypsis, On the Frontiers (Valerian).
The Ghosts of Inverloch,The Wrath of Hypsis, and On the Frontiers are a graphic novel trilogy written by Mezieres and Christin. The three stories focus on the efforts of Valerian and Laureline to find out what caused Earth of the future to disappear. Valerian and Laureline work through a series of clues, including their discovery of another agent who sets a series of events in motion. The main themes are the power of a deity, acceptance, and survival.