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.
year: 2008
call number/section: 1000
subjects: brothers and sisters, juvenile fiction, england, fiction, juvenile fiction