The following morning, Barrett turned up at Wakefield"s office and was handed the required one hundred pounds.

"This is a lot of money, Barrett," informed Wakefield.

"Of course, sir."

"I need to account for this and will need a receipt from you."

Barrett looked aghast. This wasn"t how these types of arrangements were concluded - an invoice?

"I don"t care what you write on it, just make sure it totals one hundred pounds," informed the colonel, handing him ...