Castle in The Air (Hard Case Crime, 148)

In the funniest crime caper ever from Grandmaster Donald Westlake, four teams of international thieves race through Paris to steal a king's ransom from the walls of a disassembled castle.
A DIRTY DOZEN WITH A FRENCH CONNECTION
When four groups of international heist artists team up to pull off the theft of the century – stealing an entire castle, and the treasure hidden in its walls –what could possibly go wrong? Well, consider this: none of the master thieves speak each other’s languages... and no one knows precisely where the loot is stashed... and every one of them wants to steal it all for him or herself. It’s MWA Grand Master Donald E. Westlake at his wildest, a breathless slapstick chase through the streets of Paris only one step ahead of the law – and each other.