Go on - admit it; how many of you wanted a bedroom like this when you were younger? I know I did. Yes, we're back in the 80s. These pictures come from a book called "Making the most of children's rooms" by Mary Gilliatt for Marks & Spencer. I used to spend hours leafing through it, begging my parents to re-decorate again! It's actually a really useful book - lots of great, practical tips. While a lot of the pictures do now look dated (such as those above), there are still some that stand the…