Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold more than a billion copies in English and another billion in a hundred foreign languages. She died in 1976, after a prolific career spanning six decades.

VAL McDERMID is the internationally bestselling author of more than twenty crime novels. She has won the CWA Gold Dagger Award for Best Crime Novel of the Year and the Los Angeles Times Book Prize; her novels have been selected as New York Times Notable Books and have been Edgar Award finalists. She was the 2010 recipient of the CWA Cartier Diamond Dagger for Outstanding Achievement in the Field of Crime Writing. More than 10 million copies of her books have been sold around the world. She lives in the north of England. Visit her website at www.valmcdermid.com.

Kate Mosse is the author of the international mega-bestsellers Labyrinth, Citadel, and Sepulchre, with sales of more than five million copies in forty-two languages. A publisher for many years, she is also cofounder and chair of the board of the prestigious Bailey's Women's Prize for Fiction (formerly the Orange Prize). She lives in Sussex, England.

Alyssa Cole is an award-winning, New York Times and USA Today bestselling author of thrillers and romance (historical, contemporary, and sci-fi). Her books have received critical acclaim from Library Journal, BuzzFeed, Kirkus, Booklist, Jezebel, Vulture, Book Riot, Entertainment Weekly, and various other outlets. When she's not working, she can usually be found watching anime or wrangling her many pets.

Lucy Foley studied English literature at Durham University and University College London and worked for several years as a fiction editor in the publishing industry. She is the author of five novels including The Paris Apartment and The Guest List. She lives in London.

Natalie Haynes is the author of six books, including the nonfiction work Pandora's Jar, which was a New York Times bestseller, and the novels A Thousand Ships, which was a national bestseller and short-listed for the 2020 Women's Prize for Fiction, and Stone Blind. She has written and recorded nine series of Natalie Haynes Stands Up for the Classics for the BBC. Haynes has written for the Times, the Independent, the Guardian, and the Observer. She lives in London.

Elly Griffiths is the USA Today bestselling author of the Ruth Galloway and Brighton mystery series, as well as the standalone novels The Stranger Diaries, winner of the Edgar Award for Best Novel; The Postscript Murders; and Bleeding Heart Yard. She is the recipient of the CWA Dagger in the Library Award and the Mary Higgins Clark Award. She lives in Brighton, England.

Jean Kwok is the New York Times and internationally bestselling author of Searching for Sylvie Lee, Girl in Translation, and Mambo in Chinatown. Her work has been published in twenty countries and is taught in universities, colleges, and high schools across the world. She has been selected for numerous honors, including the American Library Association Alex Award, the Chinese American Librarians Association Best Book Award, and the Sunday Times EFG Short Story Award international shortlist. She received her bachelor's degree from Harvard University and earned an MFA from Columbia University. She is fluent in Chinese, Dutch, and English, and divides her time between the Netherlands and New York City.