Nieznanski Fridrich

title	ISBN-13 (ISBN-10)	year of publication
Dziewczyna dla szpiega	978-83-916303-7-2 (83-916303-7-4)	2013
Walet karowy	978-83-938783-1-4 (83-938783-1-4)	2014
Zemsta krwi	978-83-916303-8-9 (83-916303-8-2)	2013

Nigel F. B. Allington