Visitors

Timeshapers Rigg, Umbo, and Param must stop the Visitors from ordering the destruction of the planet Garden. Can they find a way to save their home world -- without destroying all human life on Earth? Everything they've tried so far has failed -- they can't even figure out why the humans from Earth would want to wipe out this eleven-thousand-year-old colony world. So to find the answer, Rigg must visit every wallfold on Garden to discover what the Visitors fear so much, while his duplicate, Noxon, takes a time-twisting route back to Earth in hopes of changing the future from the enemy's side.…