She studied English at Harvard, where she spent Saturdays in the library reading mysteries. She studied film in London and Paris. Her bestselling series of Edwardian mysteries, starring Alexander von Reisden and Perdita Halley, has been published in 14 languages. Two of the books have been named New York Times Notable Books. The Vanished Child, the first book in the series, is being made into a musical in Canada. Crimes and Survivors, about the Titanic and the people who survived her wreck, was published right in the middle of the pandemic--a good time to think about survival. Sarah’s young adult ghost thriller, The Other Side of Dark, won both the Agatha (for best YA mystery of the year) and the Massachusetts Book Award for best YA book of the year. Her Chasing Shakespeares, a novel about the Shakespeare authorship, has been called “the best novel about the Bard since Nothing like the Sun” (Samuel R. Delany) and has been turned into a play. Sarah lives in Boston with her family and not enough cats. She is a member of the Sisters in Crime Education Committee and the Strong Women: Strange Worlds steering committee. She's also a member of Mystery Writers of America, Science Fiction and Fantasy Writers of America, and International Thriller Writers.