I Could Go On...Unpublished Letters to The Daily TelegraphEdited by Iain Hollingshead"SIR -- My first thought on seeing your headline, "Pupils to be taught about sex at seven" was, "What, in the morning?"In 2009 a small volume of unpublished letters to The Daily Telegraph, Am I Alone in Thinking...? captured the public imagination. For every 20 letters the newspaper"s daily Letters page can publish each day, another 600 will have gone to waste -- and for every serious contribution to political debate there will be many more that are simply very funny, and, alas, there"s never enough room to include them all. I Could Go On... is the eagerly-awaited sequel, chronicling another year through the whimsical preoccupations and hobbyhorses of the Telegraph"s wonderfully waggish readers: Chris Evans" supplanting of Sir Terry Wogan on Radio 2; Tiger Woods" peccadilloes; Gordon Brown"s long farewell -- and fans of Am I Alone in Thinking...? will be especially pleased to see the return of M, who believes himself to be the head of MI6, but whose inscrutable missives emanate from an internet cafe in Bristol. Like his fellow correspondents, simultaneously fascinated, baffled and outraged by modern life, he most certainly Could Go On ...