It's up to Gemma and Jayne to root out the killer when the winner of a garden tour trophy is left pushing up daisies in the sixth installment in the bestselling Sherlock Holmes Bookshop mysteries "I am not a Consulting Detective," Gemma Doyle reluctantly tells 10-year-old Lauren Tierney, when the little girl comes to the Sherlock Holmes Bookshop and Emporium to beg Gemma to find her missing cat, Snowball. Gemma might not...