Strange Children — Kate Charles

Married to the perfect man, and with a baby on the way, motherless Tessa looks forward to getting to know her new mother-in-law. But before that can happen, Linda Nicholls is murdered, and Tessa is determined to find out why.

Her quest for answers plunges her into a nightmare world of secrets, where nothing is as it seems, and her own life - and the life of her unborn child - are in danger...