I've just listened to the Radio 3 lecture she gave the other day and like what she has to say about most things. I'd like to read something a bit more in depth by her but most of her books seem to be tie-ins to her TV series or ones that she's lent her name to but she didn't actually write.
Your Child ... Your Way seems to be the closest to what I'm after, but I'm not sure if it's written for parents who are struggling with toddlers/older children and particular issues. I only have 1 year old DD so I don't have anything specific I want help on, would prefer a general overview iyswim.