*This is a commissioned post for Mumsnet and PizzaExpress* It’s happening loves, World Book Day is on the horizon.  I’m sure it’s only five minutes since the last one however frantic costume based negotiations have begun in the Team WGOAA household . . . basically this involves them coming up with whatever character they want to be and me figuring out how we can make it work with whatever we already own, with minimal effort. I have a full on love / hate relationship with World Book Day if I’m honest.  Fostering a love of books and reading? Yes I’m down with that.  Encouraging children to share their favourite books with one another? Yes that’s a winner too.  A whole day of celebratory book based activities in school? Yep, I’m all over it.  Arguing with kids about whether Spiderman is really a character from a book or not and parents feeling…