I suspect maths in primary school would be greeted with far more enthusiasm if students had Ian Stewart as a teacher. Any man who can explain electromagnetism, gravity and atomic nuclear forces in terms of a piggy fridge magnet and a smashed kitchen plate is, surely, a communicator to be reckoned with.
Longitude was first published in 1996, occupying a substantial portion of many a Waterstones table around Christmas-time. The book has endorsements from Patrick O'Brien and Neil Armstrong, and a blurb that cheerfully describes the search for longitude as a "true-life thriller".
At the earliest age, children around the world ask questions about the nature of existence and how we came to be here. Simon Singh's third and most ambitious work of popular science takes us on a journey through the ages, as man's sense of his own importance in the universe shrank ever smaller and his idea of time stretched from a few thousand to around fifteen billion years.