A history of the scientific discovery that proved that the Earth spins on its axis traces how Léon Foucault rose from being a mediocre student with poor health

From two-time Caldecott Winner author-illustrator Sophie Blackall! If You Came to Earth is a glorious guide to our home planet, and a call for us to take care o

" ... Concise explanations and descriptions - easily read and readily understood - of what we know of the chain of events and processes that connect the Sun to

In spite of the recent loss of the space shuttle Columbia, there are those who believe in the seemingly routine nature of space flight. The author's experiences

“Fascinating . . . memorable . . . revealing . . . perhaps the best of Carl Sagan’s books.”—The Washington Post Book World (front page review) In Cosmos