Deciding which book to read can be really difficult, particularly if you have to choose one or a few from many in a bookshop. Friends are the best guides who tell you which books they enjoyed and which books you should stir clear of. But sometimes you may grow up to discover some real classics that you missed out on. The Puffin Good Reading Guide for Children tells you everything you wanted to know about books for children, but didn’t know whom to ask. The author, Ruskin Bond, himself…