Springtime in Mississippi is abloom with beauty, but the library’s employees are too busy worrying to stop and smell the flowers. The new library director, Elwyn Dillard, is a brash, unfriendly Yankee who’s on a mission to cut costs-and his first targets are the archive and the rare book collection. As annoying as a long-overdue book, Dillard quickly raises the hackles of everyone on staff, including Charlie’s fiery friend Melba-whom Dillard wants to replace with someone younger. But his biggest offense is declaring all four-legged creatures banned from the stacks. With enemies aplenty, the suspect list is long when Dillard’s body is discovered in the library. But things take a turn for the worse when a threatening e-mail throws suspicion on Melba. Charlie is convinced that his friend is no murderer, especially when he catches sight of a menacing stranger lurking around the library. Now he and Diesel will have to read between the lines, before Melba is shelved under 'G' for guilty…