Natural sciences

This book teaches in detail how to interpret all features of the hand, not simply the lines of the palm.

A seminal historical work that has never been out of print. Highly llustrated with attractive contemporary images.

In TIME AND THE TECHNOSPHERE Argüelles shows that in order for us to survive and not destroy Earth's ability to sustain life we must change our definition of time and adopt a natural harmonic calendar based on the 13-moon 28-day cycle. Humanity deviated from this natural time 5000 years ago.

From the creator of the wildly popular xkcd.com, hilarious and informative answers to important questions you probably never thought to ask. Millions visit xkcd.com each week to read Randall Munroe's iconic webcomic. Fans ask him a lot of strange questions: How fast can you hit a speed bump, driving, and live? When (if ever) did the sun go down on the British Empire? When will Facebook contain mo

From the bestselling authors of Soonish, a brilliant and hilarious off-world investigation into space settlement

Starting with the moment of the Big Bang—at exactly one ten-millionth of a trillionth of a trillionth of a trillionth of a second—this book charts a history of space and time all the way through the evolution of our solar system, the birth of stars and the formation of life on Earth, to the future of our galaxy and beyond.