Before Salem's Cipher, there was the first problem. In this short story, future world-famous cryptanalyst Salem Wiley must crack a 150-year-old code to rescue a dying child trapped inside a tomb. She also meets her Moriarty.

From the Amazon Charts bestselling author of Bloodline and The Quarry Girls comes a blockbuster thriller that reaches back through centuries of America's secret history. ★ "...[A] hair-raising thrill ride." ―Library Journal (starred review) ⭐⭐⭐⭐⭐ Salem Wiley is a genius cryptanalyst, courted by the world’s top security agencies ever since making a quantum computing breakthrough. She’s also an agoraphobe who's afraid to leave her own home. When her mother’s disappearance is linked to a plot to assassinate the country’s first viable female presidential candidate, she's forced out of her safe zone. Drawn into a labyrinth of messages encrypted by Emily Dickinson and century-old codes tucked inside the Beale Cipher, Salem begins to uncover the an ancient and ruthless group is hell-bent on ruling the world, and only a select group of women stands in its way. Salem's Cipher is the first in an ongoing series of heart-pounding thrillers that international bestselling author Lee Child calls "highly recommended!" Salem's Cipher Mercy's Chase ★ "A fast-paced, sometimes brutal thriller reminiscent of Dan Brown's The Da Vinci Code." ―Booklist (starred review) ⭐⭐⭐⭐⭐

What if everything you thought you knew about Stonehenge was wrong? When agoraphobic genius Salem Wiley lands her dream job as an FBI cryptanalyst, she vows never to return to the witch hunt underworld, where ancient secrets encrypted by hunted women have the power to rewrite history. Her resolve disappears when sweet Mercy Mayfair, the child she is pledged to protect, is kidnapped. With the help of the enigmatic Agent Lucan Stone, Salem is forced to code hunt in Ireland, England, and Scotland to keep the girl alive. As the clock ticks, she must face the terrible truth that there is only one way to free Mercy: crack the unbreakable code of Stonehenge.