William Dietrich talks about “The Emerald Storm: An Ethan Gage Adventure” at 7:30 p.m. Thursday, July 19 at Eagle Harbor Book Company.

The swashbuckling, battle-scarred hero Ethan Gage must race from the slopes of the Alps to the sultry tropics of the Caribbean to pursue a mysterious Spanish treasure.

For more information, call 206-842-5332.