Herein you will find much concerning those things which everybody knows about, but nobody knows — the things you have known about since childhood, and have been content to leave them at that, knowing little of what they are and still less where they are to be found. I have dealt mostly with the big things that London has in its keeping, such as the Domesday Book (can you tell me off-hand where it is to be seen ?); with the Confessor's Shrine (of the crowds who enter Westminster Abbey there is a big leaven who do not even know that it is there); with the massive fragments of London's Roman Wall that still survive; with that spot in Smithfield where martyrs burnt and English history was mad...

For anyone interested in history or who think they know London, Eighteen London secrets will be explored in detail.