When Tilly, Oskar, Milo and Alessia venture into Arthurian legend to find the first bookwanderer the wizard Merlin they discover that everything they thought they knew about bookwandering might be wrong. Working together to figure out how to untangle the Alchemist's grip on the world's imagination, save Pages and Company and defeat an unexpected enemy, they learn about the true power of imagination in a journey through myths and legend that will help them to save the very foundations of bookwandering . . .
