$24.95
From intrigue and warfare to genetics and the Internet - the secret science of codes revealed.
Did you know that Mary Queen of Scots was betrayed by a coded message? Or that there exists a code so complex that no one has yet been able to decipher it?
Take a trip through tome and see how the secret history of codes and ciphers has changed the world: glimpse a future where quantum physics could alter the science of secret communications for ever.
This book tells you all you need to know about puzzles, codes, riddles and ciphers; secret languages and the art of deception.
Oh, yes, and that undecipherable code? If you can crack it, you could win a treasure worth millions of pounds.
$34.95
An illustrated introduction to the solar system, our galaxy, space travel-and more!
Take a tour of the night sky and the wonders of the Universe with this fascinating guide to the world of astronomy.
You don't need a spacesuit to find out about...
Take journey through time and space from the Big Bang to black holes, and study solar eclipses, shooting stars, supergiants, and supernovas.
$19.95
From asteroids and astronauts to robots and rockets, there are 15 space pictures to make in this exciting book.
All you need is scissors and glue.
$14.95
Add a touch of personality to this Parkes Radio Telescope A5, 80 page spiral-bound notebook ready for use at home, school or the office.