The Calling - Part One Serena and Simon were to be engaged. There was nothing remarkable about that, nor the chance encounter with his college friends, Delf and Shorn, as they sat in a cafe planning their future. Simon's sudden obsession to find the book of 'Agrippa' (the witches bible) had changed their day and now it was in his possession he felt a calm but how was he to know it marked the start of what witches refer to as 'The Calling'. How was he to know that this is where the Witch Trinity begins, and their lives and the fate of the world were now in danger "