Found in the phone box library in Kings Stanley, Gloucestershire.

As part of its decor, the cafe has shelves with hardback books, all stripped of their dust jackets to create a tidy, coherent look. Any attempt to disrupt that will be diligently removed, so my approach here is to fit in with the style. That means you should look only for the BCing books among the others, and try to be discreet please, whether you plan to take a book away or just record that you found it.