The Einstein Nexus: Book 1 A Novella What began as a teen boy's curiosity, became a physics research project into the time effects of the Einstein-Rosen Bridge. At first, the excitement of the project hid the dangers, even from the experts. But in time those dangers became apparent as they threatened to destroy the world. The Einstein Nexus: Book 1 is the first novella in a series about time travel and teenage boys. See the author's website for more. Hard Science Fiction - Old School.