Very interesting book about a disease most of us have heard of but probably don’t really know much about. Pretty well written (I thought it seemed a little disjointed at times, but nothing too disturbing) and very enlightening.

Truly the forgotten epidemic of the 20th century, this medical mystery may become the plague of the 21st.
Mary Crosby has made a record of a misunderstood and misdiagnosed epidemic that has puzzled many doctors including Oliver Sacks. This so called sleeping sickness does not bring the relief of rest to its victims, only delayed pain and misery. Due to its destruction of the part of the brain that controls impulse, emotion, and movement the patients develop strange tics, personality changes, and eventually Parkinsons. Locked into a silent prison, they are only too aware of what is happening to their bodies but find they can do nothing about it. And science is nowhere near finding out the cause or developing a cure.

Here's medical curiosity combining history, mystery and riveting storytelling. In a light, excessible, engaging writing style Crosby relates the vexing appearance during World War I of encephalitis lethargic(sleeping sickness) through the stories of patients, doctors and public health servants swept up in an epidemic that affected as many as five million people worldwide in little over a decade.