Moira Moriarty calls upon the clever Sherlock Holmes, her brother James's roommate at school, to help solve the mystery of her father's death, leading them to a secret sect, a rare jewel, and a friendship torn asunder.

"Before James Moriarty and his sister Moria enrolled in Baskerville Academy, they were inseparable--as close to best friends as a brother and sister could be. But since setting foot on the boarding school's campus, James has been different. At Baskerville, he's become cunning, deceptive, ruthless, sometimes reckless. And now that his roommate Sherlock Holmes has been expelled, there's no one left to help Moira figure out what's going on with her brother or to uncover the connection between a recent string of deaths. To Moria, it seems obvious that someone has it out for the Moriarty family. First their father and then their family driver and now their legal guardian--clearly something is afoot. But to get the answers they need, they'll first have to deal with an incriminating photograph, secret safe houses, and powerful enemies." -- Amazon.com

Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes ("Lock" to his friends). An heirloom Bible, donated by the Moriarty family more than a hundred years ago, has gone missing, and it doesn't take long for the two to find themselves embroiled in the school-wide scandal. The school is on lockdown until it's found, strange clues keep finding their way to James, and a secret society lurks behind it all