TY - SOUND AU - Barrett,Tracy AU - Pittu,David TI - The 100-year-old secret T2 - Sherlock files SN - 0739367633 : PY - 2008/// CY - New York PB - Random House/Listening Library KW - Brothers and sisters KW - Juvenile fiction KW - Fiction KW - England KW - Audiobooks KW - Mystery and detective stories N1 - Compact discs; Unabridged; Read by David Pittu; Recommended for listeners ages 9 to 12 N2 - 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 ER -