Beth McMullen Books in Order

This preview presents the first four chapters of Original Sin, introducing former spy Lucy Hamilton, also known as Sally Sin. Her efforts to manage motherhood collide with an agency determined to bring her back into service.

Former spy Sally Sin settles into motherhood as Lucy Hamilton, keeping her past secret from her husband. When an old adversary resurfaces, her agency wants her back, forcing her to balance espionage with raising a toddler.

Former spy Lucy Hamilton balances motherhood with a past she thought she had left behind. When her old agency's director is kidnapped and the captors demand her involvement, she must return to the dangerous world of Sally Sin.

Abigail discovers her boarding school conceals a spy training operation and that her missing mother is one of its agents. With classmates' help, she learns espionage skills while searching for answers about her mother's disappearance.

When a video game creator is kidnapped, Abby Hunter and her friends uncover a plot against their spy organization. Their first official mission involves a hacker, a possible art theft, and a dangerous confrontation in London.

Abby and her classmates enter a competition at Briar Academy, then discover their enemy plans to use an invention for a devastating attack. Suspecting a traitor inside their own organization, they must act without trusted adult help.

Twelve-year-old Lola Benko refuses to believe the official explanation for her archaeologist father's disappearance. With new school friends, she investigates his search for a mythical stone whose powers could threaten the world in the wrong hands.

Lola Benko and her friends enter a camp competition to join an elite treasure hunting group. An old enemy offers help in exchange for finding a legendary helmet, forcing the team to recover its lost confidence.

After a strange storm, grieving Cassie King rescues a kitten with impossible abilities. With classmate Joe, she investigates a mysterious map and discovers that protecting her new companion may mean confronting an approaching enemy.