In 1994, Belfast Exposed published Interface Images, his first book of peaceline photography studies launched on the first day of the IRA ceasefire.
In 2008 his second book Streets Apart, furthering his study of the interfaces introducing a panoramic format (Hasselblad X-Pan) of the walls.
In 2014 he continued with an additional series, Towards 2023, in response to the commitment made by First Minister Peter Robinson and deputy First Minister Martin McGuinness to remove the walls by 2023.
40 images were used to illustrate 'Belfast: Toward a city without walls', the definitive work on the 2023 initiative by Vicky Cosstick. ISBN 978-1-78073-072-1
Frankie is planning new work next year to commemorate the 50th anniversary of the first 'peaceline'