"An inventive plot and incisive character studies elevate MWA Grand Master Grafton's twenty-fourth Kinsey Millhone novel... This superior outing will remind readers why this much-loved series will be missed as the end of the alphabet approaches." -- Publishers Weekly (starred review)

X: The number ten. An unknown quantity. A mistake. A cross. A kiss...
Perhaps Sue Grafton's darkest and most chilling novel, X features a remorseless serial killer who leaves no trace of his crimes. Once again breaking the rules and establishing new paths, Grafton wastes little time identifying this deadly sociopath. The test is whether private investigator Kinsey Millhone can prove her case against him -- before she becomes his next victim.

• We started tracking this book on February 25, 2015.
• This book was $14.99 when we started tracking it.
• The price of this book has changed 29 times in the past 3,930 days.
• The current price of this book is $2.99 last checked 21 hours ago.
• This book is at its lowest price in the past year.
• The lowest price to date was $1.99 last reached on August 12, 2022.
• This book has been $1.99 5 times since we started tracking it.
• The highest price to date was $14.99 last reached on September 2, 2015.
• This book has been $14.99 5 times since we started tracking it.

• Mystery, Thriller & SuspenseMysteryWomen Sleuths
• Mystery, Thriller & SuspenseMysteryPrivate Investigators

• Text-to-Speech: Disabled
• Lending: Disabled
• Print Length: 413 Pages
• File Size: 17 KB