Peter Smith applauds the ad for Sarah Vowell's latest book, Unfamiliar Fishes:

It's a novel use of a book trailer and certainly made me curious about how a hamburger dish topped with gravy and a fried egg that originated in 1949 (apparently as a snack for teenagers who were tired of American sandwiches but didn't want to bother with time-consuming Asian foods) relates to a new book examining the impact New England missionaries had on the [Hawaiian] island in the 19th century.

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