I'm also working on a handbook. This will cover everything from who to call in an emergency to what foods the kids like and how we do discipline. It will also explain "house rules" which are minimal but cover things like guests who spend the night (we would like to meet them first) and cell phone use during work hours (ok, but keep it to five minutes an hour if the kids are awake). We are glad to have a more mature au pair who can use her own judgement on most things and won't need a lot of rules like a 19 year old might.