Hawking, Stephen [1942-2018,] <br/><br/>
Unlocking the universe 

 - Updated paperback edition. 
 - London :  Puffin  2021 ©2021 
 - 420 pages, 14 unnumbered pages of plates : illustrations (black and white, and colour) ; 20 cm 
<br/><br/><label>ISBN: </label>0241481481