"U" Is for Undertow

"U" Is for Undertow
First edition cover
AuthorSue Grafton
LanguageEnglish
SeriesAlphabet Mysteries
GenreMystery fiction
Published2009 (G.P. Putnam's Sons)
Publication placeUnited States
Media typePrint (hardcover)
Pages416 first edition
ISBN978-0-399-15597-0
OCLC311777740
Preceded by"T" Is for Trespass 
Followed by"V" Is for Vengeance 

"U" Is for Undertow is the 21st novel in the "Alphabet" series of mystery novels by Sue Grafton. It features Kinsey Millhone, a private eye based in the fictional Santa Teresa, California.

The novel, set in 1988, finds Kinsey investigating the disappearance of a 4-year-old girl in 1967 and the narrative weaves between both time periods. The novel has reached the top position on several best-seller lists.