From the acclaimed author of Nightbooks and The Thickety comes a spooky series, perfect for fans of Neil Gaiman, Adam Gidwitz, and Stranger Things Cordelia Liu knew Shadow School was going to be different. Still, she didn't expect the school grounds to be filled with ghosts. Cordelia soon realizes she's not the only one who can see the ghosts; her new friend Benji can too. Together with super-smart Agnes, the trio...