"For the past two decades, Rocky has looked forward to her family's yearly escape to Cape Cod. Their humble beach-town rental has been the site of sweet memories, sunny days, great meals, and messes of all kinds: emotional, marital, and--thanks to the cottage's ancient plumbing--septic too. This year's vacation, with Rocky sandwiched between her half-grown kids and fully aging parents, promises to be just as delightful as summers past--except, perhaps,...

"No one knows Margo's real name. Her colleagues and patrons at a small-town public library only know her middle-aged normalcy, congeniality, and charm. They have no reason to suspect that she is, in fact, a former nurse with a trail of countless premature deaths in her wake. She has turned a new page, so to speak, and the library is her sanctuary, a place to quell old urges. That is, at least, until Patricia, a recent graduate and failed novelist,...