There are 6 books in the Liam Taggart and Catherine Lockhart series. The newest book is Defending Britta Stein which came out in 2021.

1
Once We Were Brothers

Book cover of Once We Were Brothers

The gripping tale about two boys, once as close as brothers, who find themselves on opposite sides of the Holocaust.

Elliot Rosenzweig, a respected civic leader and wealthy philanthropist, is attending a fundraiser when he is suddenly accosted and accused of being a former Nazi SS officer named Otto Piatek,…

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2
Saving Sophie

Book cover of Saving Sophie

From Ronald H. Balson, author of Once We Were Brothers, Saving Sophie is the powerful story of the lengths a father will go through to protect his daughter and an action-packed thriller that will take you on an unforgettable journey of murder and deception, testing the bonds of family and…

4
The Trust

Book cover of The Trust
When Liam reluctantly returns to Northern Ireland he learns that not only was his uncle shot to death, but he'd anticipated his own murder. In an astonishing last will and testament, Uncle Fergus has left his entire estate to a secret trust, directing that no distributions be made to any…

5
The Girl from Berlin

Book cover of The Girl from Berlin
An old friend calls Catherine Lockhart and Liam Taggart to his famous Italian restaurant to enlist their help. His aunt is being evicted from her home in the Tuscan hills by a powerful corporation claiming they own the deeds, even though she can produce her own set of deeds to…

6
Defending Britta Stein

Book cover of Defending Britta Stein
Chicago, 2018: Ole Henryks, a popular restauranteur, is set to be honored by the Danish/American Association for his many civic and charitable contributions. Frequently appearing on local TV, he is well known for his actions in Nazi-occupied Denmark during World War II - most consider him a hero.

Britta Stein,…