Happy and You Know It by Laura Hankin If you like your mystery and drama combined with a bit of humour and fun, Happy and You Know It by Laura Hankin ($18) is the ideal pick. It follows struggling singer Claire who is hired by a group of wealthy Upper East Side moms as a musician for their children's playgroup. As she gets swept up in their glamorous clique, she starts to discover the betrayal and secrets they're hiding. Image Source: amazon.com Happy and You Know It by Laura Hankin $18 from amazon.com Buy Now