At first glance, the beach may appear to be an endless, flat, monotone landscape meant only for swimming, snoozing, or working on your tan. Upon closer inspection, though, the beach reveals that it has myriad treasures for the curious to locate, such as ephemeral beach ripples decorating the sand, traces of miniature organisms inscribed on dunes, and armored mudballs. Atlantic Coast beaches, from Maine to Florida, are full of amazing features formed by the interactions between tides, currents, bedrock, weather, beach critters, and much more. Written for a general audience, Atlantic Coast...