You might find yourself feeling sad to be leaving Great Britain in the 1910s again. The following books can fill the emptiness left by beloved characters until the premiere of Series 3 in September 2012.
If you are interested in. . . the exploration of the effects of WWI on society
then you might like . . .
Lady Almina and the Real Downton Abbey : the lost legacy of Highclere Castle (M) by The Countess of Carnarvon.
The classic portrait of upper-middle-class life in Victorian England is shown in The Forsyte Saga (M) by John Galsworthy.
George, Nicholas and Wilhelm: three Royal Cousins and the road to World War I (M) by Miranda Carter. The book is about the famous first cousins: King George V of Britain, Kaiser Wilhelm II of Germany and Tsar Nicholas II of Russia.
Source: http://www.thereader.ca/2012/04/what-to-read-after-downton-abbey-part.html