{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/6390a7261a770900119d7b8d/654a95f018fa100012551d97?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"History Hack: N4 Down","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/6390a7261a770900119d7b8d/1699821190774-44d2ad08e428701ae0bcc7c07a891ca4.jpeg?height=200","description":"<p>Mark Piesing&nbsp;joins us to talk about his book \"N-4 Down: The Hunt for the Arctic Airship Italia\".</p><p><br></p>","author_name":"Alex Churchill, Matt Bone"}