In the early 1970s, two idealistic young people -- Gwen Carpenter Roland and Calvin Voisin -- decided to leave civilization and re-create the vanished simple life of their great-grandparents in the heart of Louisiana's million-acre Atchafalaya River Basin Swamp. Armed with a box of crayons and a book called How to Build Your Home in the Woods, they drew up plans to recycle a slave-built structure into a houseboat. Without power tools or building experience they constructed a floating dwelling complete with a brick fireplace. Towed deep into the sleepy waters of Bloody Bayou, it was their...

In the heart of Louisiana's Atchafalaya Basin, a letter sent from an isolated settlement, addressed to Hautes-Pyrenees, France, and marked undeliverable, shows up at the Bayou Chene post office. That same day locals find a dog, nearly dead and tethered to an empty skiff. Odd yet seemingly trivial, the arrival of a masterless dog and a returned letter triggers a series of events that will dramatically change the lives of three friends and affect all of the residents of Bayou Chene.

Gwen Roland's debut novel, set in 1907 in a secluded part of Louisiana, follows young adults Loyce...