At the time of writing, this book is top of the paperback fiction chart in the Times newspaper and after reading it I can see why it is so popular. As ever, I selected the book without putting much thought into it but by the time I had scanned the first few pages, I knew it was going to be a winner. The writing is bright and modern and just a few pages in, a child is stabbed on the street and that is certainly enough to focus the mind. From then on, it's difficult to put the book down. The idea for the book is taken from the crazy treasure hunt that was launched in the early 1980s with the publication of a beautiful picture book titled, Masquerade. The author of Masquerade had crafted a beautiful golden hare and buried it somewhere in the countryside, and anyone who could solve the clues hidden in the text and pictures could dig up the hare and keep it. I was newly married at the time and my husband and I bought a copy as soon as it was published, an...