The second book in the Lewis Barnavelt series, back to tie in with the film adaptation of the first book }The House With A Clock In Its Walls{. Lewis discovers his grandpa's 1859 lucky coin, with events consequently taking a mysterious turn The second book in the famous Lewis Barnavelt series that started with The House with the Clock in its Walls, now a major film. Settled into his new life, Lewis seems content living with his magical Uncle Jonathan and neighbour Mrs Zimmermann. He even has a new best friend, Rose Rita, who loves to play sport, build Roman ship models and play with magic - all the things Lewis loves to do too! After discovering Grandpa Barnavelt's 1859 lucky coin, Lewis is certain that it is magical, so he puts it to the test - he recites one of Mrs Zimmermann's spells to awaken its magic. Only Lewis hasn't awakened a good sort of magic. As he wears the coin around his neck, sinister things start to happen. Strange letters addressed to Lewis arrive at midnight, a dark shadowy figure begins to follow him in town and something seems to be inside his body controlling his actions. As the figure in the shadows appears more and more, Lewis is possessed by its power, unable to free himself. Has Lewis awakened a force beyond his control? And can Uncle Jonathan, Mrs Zimmermann and Rose Rita make it in time to rescue Lewis?