Dangerous Minds by Janet Evanovich

Knight and Moon are trying to figure out what seems like an impossible crime, the disappearance of an island.  The investigation will take them into dangerous wilderness full of volcanoes, grizzlies, secret and classified societies. Knight and Moon have enlisted a few friends to help uncover this mystery.   They will all be putting their lives on the line. 

Seaweed Chronicles: A World at the Water’s Edge by Susan Hand Shetterly

Shetterly researches Maine’s seaweed crops and the people who harvest, use, and protect this invaluable, natural resource.  We are also introduced to a sheepherder and a fisherman who utilize and rely on seaweed for their livelihoods.  Shetterly further explores the threat on this commodity and the consequences of the loss.