Why do we need sleep? What happens when we don't get enough? From the biology and psychology of sleep and the history of sleep in science, art, and literature; to the impact of a 24/7 society and the role of society in causing sleep disruption, this Very Short Introduction answers everything you've ever wanted to know about sleep.
For a year, while the Master ruled over the Earth, Martha Jones traveled the world telling people stories about the Doctor. She told people of how the Doctor has saved them before, and how he will save them again.This is her story. It tells of Martha's travels from her arrival on Earth as the Toclafane attacked and decimated the population through to her return to Britain to face the Master. It tells how she spread the word and told people about the Doctor. The story of how she survived that terrible year.But it's more than that. This is also a collection of the stories she tells - the stories of adventures she had with the Doctor that we haven't heard about before. The stories that inspired and saved the world...The full story of Martha Jones' 'lost year' helping defeat the Master - from the bestselling BBC Books Doctor Who fiction range