Knife Edge

Knife Edge is a book by Andrew Lane and was published in 2013. It is the sixth book in the Young Sherlock Holmes mystery series. 
== Summary ==
Young Sherlock Holmes is in Ireland to solve his sixth intriguing mystery.
Something sinister is afoot in the house in the west of Ireland in which Sherlock is staying. There are frightened whisperings among the servants and the house's owners are clearly scared. But who - or what? - has terrified them so much that nobody will speak out? Young Sherlock must bring all his powers of deduction to unravelling his greatest mystery yet. Another fast-paced, brilliantly plotted adventure as teenage Sherlock investigates a new crime and comes up against a fresh crop of sinister, clever criminals.
de:Der Tod ruft seine Geister
Category:Young Sherlock Holmes (novels)