All Michael’s novels are available from uk.bookshop.org):
The German Messenger (HarperCollins – 2023)
Buy Now: Amazon (This link takes your to your own country), Waterstones (UK), Bookshop.org (Worldwide)
The German Nurse (HarperCollins – 2020)
Buy Now (Amazon – UK), Buy Now (Waterstones – UK), Buy Now (Amazon – World)
Goodbye for Now (HarperCollins – 2018)
Buy Now (Amazon – UK), Buy Now (Waterstones – UK), Buy Now (Amazon – US/World)