Great Big Sea founding member Séan McCann and his wife Andrea Aragon discuss their book, "One Good Reason: A Memoir of Addiction and Recovery, Music and Love," and how their shared love of music brought them together, and ultimately helped heal their relationship.

When historian Timothy Winegard was looking for a new topic to delve into, his father, an emergency-room physician, suggested disease. Winegard's research led him to malaria, which in turn led him to mosquitoes. His acclaimed book, "The Mosquito: A Human History of Our Deadliest Predator," is a comprehensive look at how the tiny creature has altered humanity through the ages.