My latest book, 'Hitler's Secret Weapons of Mass Destruction,' is now out as a paperback. The Kindle edition came out last year but now the printed version is available.

The Amazon links are:

https://www.amazon.com/Hitlers-Secret-Weapons-Mass-Destruction/dp/1788887573/ref=sr_1_fkmrnull_1?crid=3MC56OVXC81WN&keywords=hitler%27s+secret+weapons+of+mass+destruction&qid=1551828837&s=books&sprefix=hitler%27s+secret+weapons+%2Cundefined%2C209&sr=1-1-fkmrnull

https://www.amazon.co.uk/Hitlers-Secret-Weapons-Mass-Destruction/dp/1788887573/ref=sr_1_1?ie=UTF8&qid=1551828877&sr=8-1&keywords=hitlers+secret+weapons+of+mass+destruction