Book excerpt: The third book in this graphic nonfiction series about real FBI cases details the Isabella Stewart Gardner heist—the largest, and one of the most famous, art thefts in the world. CASE NO. 003: THE GARDNER MARCH 18, 1990 BOSTON, MASSACHUSETTS 1:24 a.m. Two thieves posing as Boston Police officers gain entry to the Isabella Stewart Gardner Museum. Once inside, they steal thirteen pieces of art, including several rare Rembrandts. Eighty-one minutes later, these men walk off with $500 million worth of art. This heist is the single largest private property theft in the United States—and despite decades of investigation and dozens of false leads, the case remains unsolved to this day. Don’t miss the first two gripping installments in this thrilling series, Unsolved Case Files: Escape at 10,000 Feet and Unsolved Case Files: Jailbreak at Alcatraz.