When a boat drifts into Garnet Cove Harbor before dawn - empty, silent, and stripped of identity - harbor patrol officer Daniel Harper assumes it's a fluke.Then another arrives.And another.Each vessel is the same: no crew, no record, no explanation.As Harper begins to investigate, what looks like a maritime anomaly reveals itself as something far darker - a carefully orchestrated network using the quiet rhythms of a coastal town to move people, cargo, and se...

The concept of desirable difficulties is central to many of the evidence-informed strategies - such as spaced practice, retrieval practice and interleaving - that have become so prevalent in recent years, and so are one of the most crucial building blocks of cognitive science. Based on the finding that instruction and tasks most effective for long-term learning often hamper short-term performance, they are also one of the most counter-intuitive.In their seminal work, Elizabeth and ...