2/3 Helen Castor looks at the lives of Isabella of France and Margaret of Anjou. (R)
A look at the assassination of serving prime minister Spencer Perceval in 1812.
3/3 Paul Martin travels to the Norman fortress of Berkeley Castle in Gloucestershire.
2/4 Industrialist Harry Wright and his brother Bolling's images from around the globe. (R)
How Charles Darwin struggled for 20 years to create his book On the Origin of Species. (R)
Monday 3 September 2012