Siewierski, Jerzy. <br/><br/>
Szesc barw grozy / 
Jerzy Siewierski. 
 - Wyd. 1. 
 - Warszawa :  Czytelnik,  1985. 
 - 189 p. ;  17 cm. 
<br/><br/> A murder mystery by a contemporary author. 
<br/><br/><label>ISBN: </label>8307013712 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Detective and mystery stories, Polish.