The Vanished Sister

Paperback
$19.00 US
| $27.00 CAN
On sale Sep 01, 2026 | 368 Pages | 9780593640470

See Additional Formats
Charlotte Holmes—aka Sherlock Holmes—becomes entangled in a puzzling missing person case that hits close to home for her beloved Mrs. Watson in this Victorian-set mystery from the USA Today bestselling author of A Ruse of Shadows.

It’s been three years since Charlotte Holmes struck a decisive blow against Moriarty's operations in Britain, three years of relative calm and benign developments. In a buoyant mood, everyone gathers at Lord Ingram's seaside cottage in North Devon for what promises to be a perfect summer holiday. Until Mrs. Watson receives an invitation from Mrs. Carstairs, her long-estranged sister, to attend a house party nearby.

Mrs. Carstairs has married spectacularly well. She is the mistress of a great manor, a doyen of all domestic arts, and still an unforgettable beauty. Now she clamors for a reconciliation with her sister. Mrs. Watson does not trust Mrs. Carstairs's motives. Yet she cannot help but feel tremors of the old admiration for this once-beloved sister. 

Then Mrs. Carstairs disappears without a trace. The next day a woman is discovered floating on the waves, her build and coloring matching those of Mrs. Carstairs. But her husband insists that the corpse fished out of the Bristol Channel cannot be his wife. So where is the real Mrs. Carstairs? Would she have purposely dragged Mrs. Watson into a murder investigation? Or was it Sherlock Holmes's involvement that she needed from the very beginning?
© Jennifer Sparks Harriman
Sherry Thomas burst onto the romance scene with Private Arrangements, one of the most anticipated debut historical romances in recent history and a Publishers Weekly Best of the Year book. Lisa Kleypas calls her “the most powerfully original historical romance author working today.” Her books have received stellar reviews from Publishers Weekly, Library Journal, Chicago Tribune, and Romantic Times, along with enthusiastic praises from many of the most highly trafficked romance review websites and blogs.

Her story is all the more interesting given that English is Sherry's second language—she has come a long way from the days when she made her laborious way through Rosemary Roger's Sweet Savage Love with an English-Chinese dictionary. She enjoys creating stories. And when she is not writing, she thinks about the zen and zaniness of her profession, plays computer games with her sons, and reads as many fabulous books as she can find. View titles by Sherry Thomas

About

Charlotte Holmes—aka Sherlock Holmes—becomes entangled in a puzzling missing person case that hits close to home for her beloved Mrs. Watson in this Victorian-set mystery from the USA Today bestselling author of A Ruse of Shadows.

It’s been three years since Charlotte Holmes struck a decisive blow against Moriarty's operations in Britain, three years of relative calm and benign developments. In a buoyant mood, everyone gathers at Lord Ingram's seaside cottage in North Devon for what promises to be a perfect summer holiday. Until Mrs. Watson receives an invitation from Mrs. Carstairs, her long-estranged sister, to attend a house party nearby.

Mrs. Carstairs has married spectacularly well. She is the mistress of a great manor, a doyen of all domestic arts, and still an unforgettable beauty. Now she clamors for a reconciliation with her sister. Mrs. Watson does not trust Mrs. Carstairs's motives. Yet she cannot help but feel tremors of the old admiration for this once-beloved sister. 

Then Mrs. Carstairs disappears without a trace. The next day a woman is discovered floating on the waves, her build and coloring matching those of Mrs. Carstairs. But her husband insists that the corpse fished out of the Bristol Channel cannot be his wife. So where is the real Mrs. Carstairs? Would she have purposely dragged Mrs. Watson into a murder investigation? Or was it Sherlock Holmes's involvement that she needed from the very beginning?

Author

© Jennifer Sparks Harriman
Sherry Thomas burst onto the romance scene with Private Arrangements, one of the most anticipated debut historical romances in recent history and a Publishers Weekly Best of the Year book. Lisa Kleypas calls her “the most powerfully original historical romance author working today.” Her books have received stellar reviews from Publishers Weekly, Library Journal, Chicago Tribune, and Romantic Times, along with enthusiastic praises from many of the most highly trafficked romance review websites and blogs.

Her story is all the more interesting given that English is Sherry's second language—she has come a long way from the days when she made her laborious way through Rosemary Roger's Sweet Savage Love with an English-Chinese dictionary. She enjoys creating stories. And when she is not writing, she thinks about the zen and zaniness of her profession, plays computer games with her sons, and reads as many fabulous books as she can find. View titles by Sherry Thomas
  • More Websites from
    Penguin Random House
  • Common Reads
  • Library Marketing