<p>The Apothecary Melchior series plunges the reader into 15th century Tallinn when Estonia is at the edge of Christian lands and the last foothold before the East: a town of foreign merchants and engineers, dominated by the mighty castle of Toompea and the construction of St Olaf's Church, soon to become the tallest building in the world...<br>Apothecary Melchior is a divisive figure in the town: respected for his arcane knowledge and scien...