(3) 4-6 Lock and Key series. The modern middle-school reimagining of the famed Sherlock Holmes–James Moriarty rivalry continues. Young Sherlock's expulsion from Baskerville Academy leaves James's sister, Moria, without anyone to help solve a series of mysterious deaths--or explain the change in her brother's behavior. Fans of the series (and budding Sherlock Holmes aficionados) will delight in the ample suspense and excitement of this third installment.

Reviewer: Grace Enriquez

(3) 4-6 Lock and Key series. Following The Initiation, twelve-year-old Moria Moriarty returns as narrator of her brother James's partnership with his Baskerville Academy roommate, Sherlock Holmes. The trio investigates the death of Mr. Moriarty and uncovers rival criminal organizations, all while juggling new romantic interests. With clever references to Doyle's originals, genre fans should enjoy this modern-day Boston-based reimagining of the rise of Holmes's arch-nemesis.

Reviewer: Grace Enriquez

(4) YA Lock & Mori series. In book two (Mind Games), Mori(arty) was deceived by the woman who promised to rescue Mori's brothers from their abusive home. Now, jeopardizing her relationship with her beloved (Sher)Lock, Mori vows vengeance on those who have wronged her. Despite an uneven plot, Mori's believable transformation--a descent from teen crime-solver to ruthless villain and Sherlock Holmes's nemesis--carries this third installment.

Reviewer: Grace Enriquez

(4) 4-6 Lock and Key series. This Boston-based Sherlock Holmes/James Moriarty origin story from the point-of-view of James's sister, Moria, places the boys as boarding school roommates. When the three join forces to recover the Moriartys' stolen heirloom Bible, they uncover a school-wide conspiracy. It's a suspenseful if over-elaborate mystery with characters who, while difficult to reconcile with their more intriguing adult versions, will still appeal to genre fans.

Reviewer: Grace Enriquez

(3) YA Lock & Mori series. Despite the arrest of her serial-killer father, modern-day-London teen Mori(arty)'s troubles persist: her father's police friends remain loyal to him, and new evidence frames her for the Regent's Park murders. (Sher)Lock is her steady supporter and love interest but also a hindrance to her quest for justice. This suspenseful second book offers a surprise twist and a deeper exploration of Mori's dark side.

Reviewer: Grace Enriquez