I hesitate to interrupt my hon. Friend, but he has just demonstrated that he is one of the few people who understand, and have carried out an in-depth study of, the relationship between United Kingdom and Scottish finance. He is being modest about his book, but I need not be modest on his behalf. It is an excellent publication, which I have consulted on many occasions. May I ask him to show the House his book and tell us its title, so that every Member in the Chamber- [Interruption.] I do not think he will make any money from it. However, some Members might be better educated in future if they knew more about it. I believe that it is called "It's Our Money! Who Spends It?"