The hundred-year-old secret / by Tracy Barrett.

Xena and Xander Holmes, an American brother and sister living in London for a year, discover that Sherlock Holmes was their great-great-great grandfather when they are inducted into the Society for the Preservation of Famous Detectives and given his unsolved casebook, from which they attempt to solv...

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Bibliographic Details
Main Author: Barrett, Tracy, 1955-
Format: Book
Language:English
Published: New York : Henry Holt, 2008.
Edition:1st ed.
Series:Barrett, Tracy, 1955- Sherlock files. Cases: unsolved ; 1.
Subjects:
Description
Summary:Xena and Xander Holmes, an American brother and sister living in London for a year, discover that Sherlock Holmes was their great-great-great grandfather when they are inducted into the Society for the Preservation of Famous Detectives and given his unsolved casebook, from which they attempt to solve the case of a famous missing painting.
Physical Description:157 p. : ill. ; 22 cm.
ISBN:9780805083408 (hc : alk. paper)
0805083405 (hc : alk. paper)