Wingrove, David. <br/><br/>
The empire of time / 
by David Wingrove. 
 - 1st ed. 
 - London :  Ebury Publishing,  2014. 
 - 478 p.  20 cm. 
<br/><br/><label>ISBN: </label>9780091956165 (pbk.) 
<br/><br/><label>Subjects--Index Terms: </label>Time travel	 Intelligence officers	 Russia	 
<br/><br/><label>Dewey Class. No.: </label>823.92	  / WIN