"Go to The Dancing Men and ask for a saucer of milk for your snake. Then all will be revealed."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 inherit his unsolved casebook, life becomes so much more exciting.

The siblings set out to solve the cases their famous ancestor couldn't, starting with the mystery of a prized painting that vanished more than a hundred years ago. Can two smart twenty-first century kids succeed where Sherlock Holmes could not?"


卡西娜和福爾摩斯某天下午收到一張神秘的紙條，上面的訊息引導他們到一間房間和一個秘密社團。而這一切都與筆記本上記載的名畫遺失懸案有關，這2個21世紀的小朋友能解開祖先百年前留下的謎團嗎？