Written in 1987 - no internet, no mobile phones - but otherwise a good stab at providing sound information in a humorous context. I started reading it in the (charity) shop and thought I'd test my knowledge (pretty good) even though it is a bit late now (no children left under 18 years. Michael asked if I'd bought it for him.... but it's more for me to answer all the difficult medical questions he asks me after looking them up on the internet anyway. So useful, but needs updating.