On the heels of the success of A Christmas Journey comes this festive mystery. The joyful tranquility of a snowbound estate in the Lake District of England is overturned in a moment by a shocking murder. Renowned mathematician and inventor Henry Rathbone-long known to readers of Perry's bestselling Victorian series featuring William Monk-must put his analytical and creative capacities to the test as he assumes the role of an amateur investigator....

Stella Lane thinks math is the only thing that unites the universe. She comes up with algorithms to predict customer purchases--a job that has given her more money than she knows what to do with, and way less experience in the dating department than the average thirty-year-old. It doesn't help that Stella has Asperger's and French kissing reminds her of a shark getting its teeth cleaned by pilot fish. Her conclusion: she needs lots of practice--with...

When mathematician Lady Cordelia and her brother, Lord Woodbridge, disappear from London, rumors swirl concerning fraudulent bank loans and a secret consortium engaged in an illicit trading scheme that threatens the entire British economy. Charlotte and Wrexford begin a new investigation to clear the siblings' names, uncover their whereabouts, and unravel the truth behind the whispers. When a cunning mastermind emerges, they must race to prevent disasters...

Although Caitlin Decter is blind, she can effortlessly surf the Internet by following its complex paths clearly in her mind. When she receives an implant to restore her sight, instead of seeing reality, the landscape of the World Wide Web explodes into her consciousness.

Determined to conquer the Riemann hypothesis despite cultural discrimination against women intellectuals, a genius mathematician uncovers a mysterious theorem's unexpected World War II link to her family. From childhood, Katherine knows she is different, and that her parents are not who they seem to be. But in becoming a mathematician, she must face the most human of problems--who is she? What is the cost of love, and what is the cost of ambition?...

The Family Fang meets The Storied Life of A.J. Fikry in this literary mystery about a struggling bookseller whose recently deceased grandfather, a famed mathematician, left behind a dangerous equation for her to track down--and protect--before others can get their hands on it. Just days after mathematician and family patriarch Isaac Severy dies of an apparent suicide, his adopted granddaughter Hazel, owner of a struggling Seattle bookstore, receives...

"Graduating from Harvard at the height of World War II, brilliant mathematician Charlie Fish is assigned to the Manhattan Project. Working with some of the age's greatest scientific minds, including J. Robert Oppenheimer, Enrico Fermi, and Leo Szilard, Charlie is assigned the task of designing and building the detonator of the atomic bomb. As he performs that work Charlie suffers a crisis of conscience, which his wife, Brenda--unaware of the true...

"Germaine Johnson doesn't need friends. She has her work and her Sudoku puzzles. Until, that is, an incident at her insurance company leaves her jobless--and it turns out that there are very few openings these days for senior mathematicians with zero people skills. Soon enough though, Germaine manages to secure a position at City Hall answering calls on the Senior Citizens Helpline. But it turns out that the mayor has something else in mind for Germaine:...