Sophie's World was one of the great international bestsellers of the 1990s, with over 16 million copies sold worldwide.

Jostein Gaarder's astonishingly brilliant and inventive novel - originally written for teenagers - presents the whole history of Western philosophy in the guise of a teasing and fascinating adventure story.

Here it is packaged with Through a Glass Darkly, a novel about a 13-year-old girl who is dying of cancer.

The conversations about life, death and the universe that take place between Cecilia and the angel who visits her are as spirited, enlightening and entertaining as anything that Jostein Gaarder has written.