Sherlock Sam and the Cloaked Classmate in Macritchie #6

描述

夏洛克·山姆遇上了至今為止最重大的謎案！他的同班同學在麥里芝水庫失蹤，遍尋不著蹤影。
Sherlock Sam encounters his most important mystery yet! His classmate has gone missing at MacRitchie Reservoir, and no one can find him. Fearing the worst, Officer Siva refuses to let the Supper Club help, but there’s never been a mystery Sherlock, Watson and their friends could ignore!
This is the first book in the Fiendish Mastermind Trilogy!