You can buy Einstein’s Universe: A Layperson’s Guide at:
UK: http://www.amazon.co.uk/Einsteins-Universe-Laypersons-Nigel-Calder/dp/0141020563
USA: http://www.amazon.com/Einsteins-Universe-Laypersons-Nigel-Calder/dp/0141020563/ref=pd_sim_b_2
Translations include
Swedish: http://www.brombergs.se/1100/1100.asp?id=1366
German: http://www.amazon.de/Einsteins-Universum-Nigel-Calder/dp/3524690173
You can by a DVD of the film at
http://www.amazon.com/Einsteins-Universe-Peter-Ustinov/dp/B000PKUU3W
And you can buy Albert Einstein: The Special and the General Theory
A re-issue by Penguin Classics, also for the Einstein Year 2005, of the maestro’s own early explanation for non-experts, with high-school maths. Nigel Calder wrote an explanatory introduction.
UK: http://www.amazon.co.uk/Relativity-Special-General-Penguin-Classics/dp/0143039822
USA: http://www.amazon.com/Relativity-Special-General-Penguin-Classics/dp/0143039822