Lost in Time

Successfully navigating our three-dimensional world is often difficult enough in and of itself. Now some daredevils have taken things a step further and ventured into the realms of the fourth dimension of spacetime. But, there are certain laws of physics, paradoxical implications, and philosophical questions behind what they're doing. We must figure out the answers in time! Whatever that means at this point.

Add books you've read that feature time-traveling.