City of Exiles is currently stocked in all good Berlin book stores, plus throughout Europe and Australia. It is also shipping internationally via the order page (a good way to secure a signed first edition copy).

Australia
Available at all good independent book sellers throughout Australia via Books at Manic 

Europe
All major cities via Motto Distribution 

London 
​Daunt Books

Berlin 
Do you read me
Pro qm
Dussmann
Motto
Curious Fox Books
Topics Berlin
Hugendubel Hermannplatz
Poor and literate
Shakespeare and Sons Bookstore
Saint George's English Bookshop
Berlin Story Verlag
BUCHBOX
Kisch & Co.
b_books
Stadtlichter
Berlin Büchertisch
Uslar & Rai
Die Buchkönigin
LeseGlück Berlin
Ebert and Weber
Kommedia Buchhandlung
Schwarze Risse
​
and many more ...