"Oh, rats! It's time to take a deeper look at what caused the Black Death--the deadliest pandemic recorded in human history"-- Provided by publisher.

What was the plague? -- You definitely have the plague if... -- When it began -- Y. pestis---A deadly pest -- The plague began its journey -- To Italy and beyond -- A medieval medical degree -- Curious cures -- Why? Why? Why? -- What happened after? -- Timeline.