D G Compton 
Chronocules [EPUB ebook] 

The Penheniot Experimental Research Village was a top-secret community with an elaborate defence system to keep away prying eyes. Inside the walls men rushed ahead with practical experiments to develop a means of time travel, while outside the everyday world fell victim to more and more plagues, strikes and rioting.The world was on the brink of chaos. Could the small band of scientists and chrononauts at Penheniot Village find a safe method of escape into the future before the violence and death outside destroyed them too?