"Helen Clapp's breakthrough work on five-dimensional spacetime landed her a tenured professorship at MIT; her popular books explain physics in plain terms. Helen disdains notions of the supernatural in favor of rational thought and proven ideas. So it's perhaps especially vexing for her when, on an otherwise unremarkable Wednesday in June, she gets a phone call from a friend who has just died. That friend was Charlotte Boyce, Helen's roommate at Harvard....

A biography profiling the life of Italian astronomer Galileo Galilei, who shared the beliefs of the controversial astronomer Copernicus that the Earth revolved around the sun. Eventually Galielo was found guilty of heresy by the Roman Catholic Church, and forced to live under house arrest for the final years of his life. Includes source notes and timeline.

Despite their on-again, off-again relationship in the past, Leonard and Penny have finally gotten married. Even Sheldon has found a female companion, entering into a 'relationship agreement' with neurobiologist Amy Farrah Fowler, and he recently took their relationship to the next level by marrying her after a long courtship. Will their equation for marital bliss alter the chemistry between these two beautiful minds? Quantum comedy converges in the...

One woman is forced to question everything she knows in this domestic suspense novel from award-winning author Siri Mitchell. Georgie Brennan may be a world-class quantum physicist, but she grapples with life as a single mother after her husband is killed. When she receives a message from beyond the grave, it leads her to question the details of her husband's death. As she follows the clues he left behind, her discoveries increasingly implicate those...

In the aftermath of a NASA rocket launch gone terribly wrong, Captain Calli Chase comes face-to-face with her missing twin sister - as well as the startling truth of who they really are. Now, a top secret program put in motion years ago has spun out of control, and only Calli can redirect its course. Aided by cutting-edge technologies, the NASA investigator and scientist turned Space Force pilot sets out on a frantic search for the missing link between...