Traveling great distances is only possible because the laws of nature remain unchanged. But if that wasn’t the case, then taking a trip could be, well, a trip. Just ask Robot, the 11-year-old girl whose travel is at the center of Justin Hellstrom’s post-apocalyptic sci-fi road trip novel The Tide Will Erase All (paperback, Kindle). In the following email interview, Hellstrom discusses what inspired and influenced this story, as well as where this saga is going.