This young reader's book follows the adventures of Dr. Elizabeth, a brilliant scientist who invents a time machine. As she and other scientists explore different eras and witness pivotal moments in history, they learn about the consequences and dangers of time travel. Through their journeys to the past, future, and alternate realities, they grapple with paradoxes and inspire future generations to continue exploring time and space. Ultimately, the scientists reflect on their legacy and impact on the world, leaving a foundation for others to build upon.