A fully revised and updated account of the author's acclaimed book Inside Room 40
Paul Gannon Book order






- 2020
- 2013
Explains to the hillwalker, in easy to understand but accurate terms, how geology has shaped the landscape of Snowdonia. This book intends to help those who love Snowdonia's mountain scenery to understand how this haunting landscape came about. It also shows you what you can see as you walk around the hills.
- 2012
Tells the story of how the rocks were created and shaped by the gross forces of plate tectonics, colliding continents, volcanoes, mountain building and glaciation. This book details 18 walks with a variety of geological features set among consistently fantastic views.
- 2011
Rock Trails Peak District
- 218 pages
- 8 hours of reading
Limestone reefs grow in the shallows of tropical seas, taking captive fossilised sea creatures. As the seas shift and coastlines change, sandstones build on the banks of a great river delta. This book tells the story of the Peak landscape from its tropical beginnings onwards. It also details fifteen walks, which reveal the geological drama.
- 2009
Rock Trails Lakeland
- 260 pages
- 10 hours of reading
Suitable for hillwalkers who love the Lake District's mountain scenery, this work explains how geology has shaped its landscape. It narrates the story of colliding continents, volcanoes, mountain-building and glaciations in creating the Lakeland. It describes recommended walks of differing levels of difficulty.
- 2007
Colossus: Bletchley Park's Last Secret
- 588 pages
- 21 hours of reading
This is the last untold story of BletchleyPark. Using recently declassified information, Paul Gannon has written a gripping account of the invention of the world's first true computer, Colossus.