We all buy self-help books with the best of intentions. But often the very thing that had us reaching for the self-help section in the first place stops us from settling down to read the book. We have too much to do. Our ability to concentrate has disappeared. We’ve lost all hope that the book (or anything else) can change the situation. So could we have more luck if we turn our attention to another part of the bookshop? Here’s my guide to getting the most from a hidden source of self-help wisdom: the children’s book. Put the joy first How often have you ploughed your way through a self-help book only to find it didn’t have the answer you were looking for anyway?…