Borderline (Anna Pigeon Series #15)

The New York Times bestseller starring Anna Pigeon from the author of Winter Study.

“Action-packed…a narrative that plunges readers into mystery [and] mayhem.”—The Denver Post

Hoping a raft trip in Big Bend National Park will lift her spirits, Anna Pigeon and her husband Paul go to southwest Texas, where the Rio Grande is running high. The beauty of the Chihuahuan Desert and the power of the river work their magic—until the raft is lost in the rapids …