Books by Graham Walker

This adaptation of the Pied Piper tale centres on the figure of Blankenfeld, the one member of the Town Council to feel a moral obligation towards the Piper once he has rid the town of rats. He alone is exempt from the doom the town brings upon itself by ignoring the Piper?s demands for his payment.|2 women, 13 men

This book makes a timely contribution to our understanding of the dramatic political changes that have recently affected Scotland and thrown into doubt the country's future position within the United Kingdom.

It also covers work-consuming machines used as refrigerating systems and heat pumps abstracting heat from a low temperature source and delivering this plus the heat equivalent of the work consumed to a higher tem perature.