First in the new series.

One in every three adults in Britain is a football-pool fan. Last season, between them, they staked over £52,000,000. What accounts for the astonishing growth of football pools - said to be Britain's seventh largest industry? How is a pool organised, where does the money go, what precautions are taken against fraud, and what are the mathematical odds against winning? The background to this fascinating subject is thoroughly explored in tonight's programme.