Barrett, Tracy,  1955- <br/><br/>
The 100-year-old secret / 
 One hundred-year-old secret  Hundred-year-old secret 
by Tracy Barrett. 
 - 1st Square Fish ed. 
 - New York :  Square Fish,  2010, c2008. 
 - 157 p. ;  20 cm. 
 - The Sherlock files ;  bk. 1 .
 - Barrett, Tracy,  1955-  Sherlock files ;  bk. 1. .
<br/><br/> Originally published: New York : Henry Holt, 2008. 
<br/><br/> Xena and Xander Holmes discover that Sherlock Holmes was their great-great-great grandfather when they are given his unsolved casebook, from which they attempt to solve the case of a famous missing painting. 
<br/><br/> 650  Lexile. 
<br/><br/><label>ISBN: </label>9780312602123 (pbk.) :  $6.99 031260212X (pbk.) :  $6.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Siblings--Fiction.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>England--Fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Mystery fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.B275355  / Hu 2010 
<br/><br/><label>Dewey Class. No.: </label>[Fic]