ISBN-13: 9781456576202 / Angielski / Miękka / 2011 / 422 str.
David Nelson, a soft-spoken but principled maths teacher from an obscure boarding school in the north-west of England, finds an intriguing and ancient artefact while in Paris.
Follow David on a perilous international quest as his research transforms legend into history, uncovering the far-reaching plot of a small group of zealots hell-bent on revenge.
Will he be able to solve the centuries-old arcanum of the Doomsday Calendar and prevent a disaster of Biblical proportions?