The 100-Year-Old Secret (Turtleback School & Library Binding Edition) (The Sherlock Files)
By Tracy Barrett.
Description
FOR USE IN SCHOOLS AND LIBRARIES ONLY. Xena and Xander Holmes think living in London will be boring. But one afternoon they're handed a cryptic note that leads them to a hidden room--and a secret society. When they discover they're related to Sherlock Holmes and hinherit his unsolved casebook, life becomes so much more exciting. - from Amzon
ISBN(s)
0606215867, 9780606215862