Gemma and her friends travel to London for a Sherlock Holmes convention in the fifth installment in the bestselling Sherlock Holmes Bookshop mysteries Will Gemma's father take the fall for a felonious forger's fatality during a visit to historic 221 Baker Street? The 6th of January is Sherlock Holmes's birthday, and lucky for Gemma Doyle, January is also the slowest time of the year at both the Sherlock Holmes Bookshop...