Different schedules. Different lives. Tensions escalate when an online rivalry between two groups of women - one with children and one without - spills dangerously into the real world in this firecracker of a novel from the bestselling author of The Fifth Letter.

Poppy’s world has tipped sideways: the husband who never wanted children has betrayed her with her broody best friend. At least Annalise is on her side. Poppy’s new friend is determined to celebrate their freedom from kids so together they create a Facebook group to meet up with like-minded women - and vent just a little about smug mums and their privileges at work.

Meanwhile, Frankie would love a night out, away from her darlings - she’s not had one in years - and she’s sick of being judged by stay-at-home mums and women at the office. When Poppy and Annalise’s group takes off, frustrated members start confronting mums like Frankie in the real world. Cafes become battlegrounds, playgrounds become warzones and offices have never been so divided.

A rivalry that was once harmless fun is spiralling out of control. Because one of their members is a wolf in sheep’s clothing. And she has an agenda of her own …