{"product_id":"9780752419381","title":"Roman Military Signalling","description":"\u003cp\u003eThere has never been a study of Roman signalling in English, nor has anyone previously tried to operate the techniques described in the classical manuals. David Wooliscroft is a specialist on Hadrian's Wall and an experienced air photographer. He is currently Director of \"The Roman Gask project,\" a long-term program to study the Roman frontier on and around the Gask Ridge in Perthshire.\u003c\/p\u003e","brand":"Tempus Publishing, Limited","offers":[{"title":"Default Title","offer_id":47025468244208,"sku":"9780752419381","price":35.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780752419381_p0.gif?v=1763634968","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780752419381","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}