Internationally acclaimed bestselling author Byron Katie presents inspiring sayings in this beautiful work, which features illustrations by award-winning artist

How was the world as we know it created? What does it mean to be a hero? Where do we go when we die? Why are flood myths so ubiquitous? Anyone who has pondered

This enhanced eBook includes video, audio, photographic, and linked content, as well as a bonus short story. Hear TAMMY talk. Learn the origins of Minor Univers

Acclaimed by Nature as "excellent and uncompromising," this reader-friendly book explores exploding stars, black holes, and the Big Bang. Clear and lively, it c

Acclaimed by Einstein himself, this is among the clearest, most readable expositions of relativity theory. It explains the problems Einstein faced, the experime