Review: Jan Ruger, Heligoland: Britain, Germany and the Struggle for the North Sea (2017)

Oxford U.P.: https://global.oup.com/academic/product/heligoland-9780199672462?cc=gb&lang=en&

Goodreads: https://www.goodreads.com/book/show/30058094-heligoland

Google Books: https://books.google.co.uk/books/about/Heligoland.html?id=-w3ujwEACAAJ&redir_esc=y

Amazon: https://www.amazon.com/Heligoland-Britain-Germany-Struggle-North/dp/0199672466