The Case of the Disappearing Necklace (Colour Young Hippo: Sherlock Hound)
By Karen Wallace.
Description
A famous Egyptian necklace (rumoured to have magical powers) has been stolen. The villain behind the theft is none other than Professor Ha-Ha. But can Sherlock and Dr Whatsup stop him before he works out how to harness the necklace's magical powers and turn himself invisible? - from Amzon
ISBN(s)
0439994470, 9780439994477
