The Ravensworth Affair. Lia Bracken, #3

In this third book of the Lia Bracken series, Lia is shocked to find the eighth century Breton manuscript she has been translating gone from its locked glass case at the Ravensworth Museum. As she investigates, she uncovers a web of suspects, including Mathilda's new boyfriend, the museum employees, and even the head of the board of directors. But as Lia delves deeper into the mystery, she realizes that someone may have a more sinister motive for taking the missing manuscript.
Can she trust anyone at the museum, and can she solve the case in time to save her research and qualify for a prestigious fellowship? Or will the treacherous forces at play destroy everything she has worked for?