In Code. A Mathematical Journey

Profile Books, 2001. Signed by the author with personal dedcication to sarah. Average secondhand condition. Lightly creased. Spine with sun-fading. Pages age toned.

At the age of 16, Sarah won the 1999 Irish Young Scientist of the Year award with her Cayley-Purser algorithm, an innovative, speedy and secure system of encoding data on the Internet. This book, co-written with her father David, tells the story of her life, mathematics and making codes.