Before you ask: no I dont have shares in or work there and yes they are based only 8 miles from where I now live - pure coincidence!
What you do want to know and check out is their current sale with 27 pages of reduced books some 20% some 50% off RRP and most titles covering our 'modern' period of this website ie 20t century.
go to (well this is page 23 in fact but copy and paste and it should get you there!)
http://www.pen-and-sword.co.uk/?page=webonlyoff... Enjoy
Carl