When Nick Storey visits the Overseas Parcels Office (OPO) at the Royal Agricultural Hall, to check whether the Temporary Charge on Imports is being collected, the arrangements look wide open to fraud. After this is confirmed by two postal workers, Nick is threatened by a local trade union official and his thugs. The local C&E manager is sacked after an argument with Post Officer managers about the level of thefts from the OPO. Nick and Rosemary try various means of publicising the frauds, but it's only after she climbs into the back of a warehouse where Nick and she believe the stolen goods are hidden that the evidence for the frauds is found. Even then local managers prevaricate and the postal staff riot. Finally, what cracks the case wide open is crucial evidence which came through the post....of course. "Post and Perfidy" is the twenty-ninth book published in a series of detective stories set mostly in HM Customs & Excise, by Richard Hernaman Allen, a former Commissioner