Miranda's Big Mistake by Jill Mansell

Miranda is thrilled when she meets Greg at a cocktail party. He's gorgeous, he's funny - and he's very keen. Just what a girl needs to put some sparkle in her life. Heavens, he's practically perfect! Greg likes Miranda a lot. She's young, she's pretty, and she never talks about babies. Of course he hasn't told her everything about himself - even the sweetest girls can be a bit funny about a man who's just left his newly pregnant wife. But there's no way she's going to find out - or is there?

Luckily for Miranda men are like buses - you don't see any for ages then three come along at once. She just needs to catch the right one...