The Stranger's Shadow: The Labyrinths of Echo (Book 4) (Labyrinths of Echo, 4)

Joining Max on his adventures are Sir Melifaro, Sir Juffin Hully, Sir Kofa Yox, and a bizarre cast of otherworldly characters. When people begin to die in Echo, Max must travel to the Dark Side of Echo to destroy the Lonely Shadow-- shadows of the dead. But defeating the Lonely Shadow isn't the end--someone has been using the shadows to attack Echo, which will lead the redoubtable Max into a realm of unparalleled danger.