While searching for their missing father, a brother and sister come across a building that takes them to parallel universes.
Category - Alternate Universe
Books that take involve an alternate universe, parallel universe, or multiverse
A History of What Comes Next: A Take Them to the Stars Novel (A History of What Comes Next Book 1) by Sylvain Neuvel
Mi'a, the 100th born in a line of Kibsu, and her mother, strive to bring humanity to the stars while being hunted by a dangerous and persistent foe focused on exterminating the last remaining Kibsu on Earth.
A Russian Soyuz capsule begins its reentry to Earth when it disappears with no trace. An investigation by two scientists reveals some top secret experiments involving quantum physics that has both exciting and dangerous...