Join the Harbor History Museum for “Of Bridges and Books,” a special event to mark the 75th anniversary of the fall of “Galloping Gertie” and the release of An Excellent Little Bay, Vol. 2: Changing Times.  There will be a brief program starting at 5:30 PM, followed by refreshments, book sales, and book signing by author Jerry Eckrom, assistant editor Linda McCowen, and illustrator Don Snowden.