Sherlock Sam & the Ghostly Moans in Fort Canning

Sherlock Sam and the Ghostly Moans in Fort Canning came in third in the ‘English Children’s Books’ category at the Popular Readers’ Choice Awards in 2013. When ghostly sounds fill the air at one of Singapore's most-loved historical attractions, Sherlock Sam finds himself in the middle of an intriguing mystery. Ghosts don't exist... or do they? Will this puzzle prove too difficult for Sherlock Sam and Watson to solve?