The Thorn Tree

The lives of three generations of women intertwine in the Scottish stone cottage of Agatha, a spinster aunt with more than a helping of spunk.

For Agatha's niece Margaret, born in the States but with her own secret connection to the cottage, packing her resentful daughter Hope off to Scotland the summer after her parents have split seems like the cleanest solution to the kind of messy emotions Margaret hates.

Margaret spends her summer finding out who she is other than a wife and mother — and...