The Wanderlings: Book One: Magic On Mars

High fantasy in a sci-fi future with a dose of dystopian time travel. The four Wander kids are just like any other kids. They go to school, they hang out with friends, they get into trouble. But the Wander kids are the first generation born on the new Mars colony. They spend their days exploring the Martian terrain. They become trapped in an underground world filled with ancient wars, dragons, an angry rabbit, and a newfound ability to do magic. Can they learn who their true allies are among the various creatures they encounter? Or will they become trapped and enslaved forever?