Abstract :
Regular readers of this column may well have been nursing sore heads over the festive period - and not just for having indulged in perhaps one mulled wine too many. Instead, E&Tcetera´s cryptic Christmas quiz could easily have been the cause given the large numbers of you who sent in solutions. (We dread to think how many valuable man-hours must have been lost to industry as a result of people poring over the puzzle.)
