Cross-Time Engineer
Discover the best time travel and engineering fiction with our curated list featuring Leo Frankowski's classic, *The Cross-Time Engineer*—a must-read for fans of sci-fi adventure and medieval technology.
Book
The Cross-time Engineer
by Leo Frankowski
Accidentally plunged back in time to Poland in the year 1231, Conrad Schwartz is determined to build up the country before the Mongol invasion that will come ten years later
