One of the deadliest pandemics recorded in human history was the Black Death during the 14th century. The bubonic plague tore through Europe and Asia, killing between 75 million and 200 million people.Author Christine Mar wondered how people felt at the time of such a deadly plague. And that thought prompted her to document the feelings of people during the current coronavirus crisis.One of millions of people stuck at home looking for ways to beat boredom, Mar, who retired in as a health…