Save the king from assassination or your best friend from being hanged? How do you choose? It's Halloween and Klaudia Cay uncovers the power of Katalin's Grimoire. A book so full of ancient secrets it could change the world forever. When Kat and their arch enemy, Jac, suddenly disappear, how can Klaudia tell the police they have 'Travelled' to 1645? The English Civil War is raging and it's a dangerous time for witches. The notorious Witchfinder General has just had nineteen tortured, condemned and hanged at the Assizes. Klaudia desperately needs to be 'Called' back in time by musketeer Gabriel Gubbins to save Kat and, she discovers, herself from the same terrible fate.