1. [n]  a jerky American dance that was popular in the 1940s
2. [v]  do the jitterbug

Jitterbug
In a novel set in Detroit during World War II, the people are working and playing hard all day and night, but when a killer enters the scene, things turn chaotic and Lt. Zagreb has to find a way to catch him before the city explodes from within. Reprint.

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