{"product_id":"the-sun-furnace","title":"The Sun Furnace","description":"\u003cp\u003e\u003cstrong\u003eThree books appear after the rain.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo title. No sender. No explanation.\u003c\/p\u003e\u003cp\u003eYet hidden within their pages are clues to a mystery that began with impossible lights over Aarhus Bay.\u003c\/p\u003e\u003cp\u003eFor Anneli Hartman and Mr. Winter, the trail leads west of Aarhus, towards an abandoned gravel pit.\u003c\/p\u003e\u003cp\u003eThere, concealed among the remnants of a forgotten experiment, stands an extraordinary optical installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe Sun Furnace.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIts intricate mechanisms may hold the answers to everything they have discovered. The coded signals. The hidden railway. The dangerous machinery beneath the cliffs.\u003c\/p\u003e\u003cp\u003eBut the closer they come to understanding the system, the more disturbing the questions become.\u003c\/p\u003e\u003cp\u003eWho first controlled these inventions?\u003c\/p\u003e\u003cp\u003eWhat really happened to the people who worked with them?\u003c\/p\u003e\u003cp\u003eAnd why has so much effort been spent keeping the truth out of sight?\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSomeone knows the answers. And someone still wants control.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAnneli has learned to recognise the smallest discrepancies — the details that others overlook, the observations that change the meaning of everything around them.\u003c\/p\u003e\u003cp\u003eBut even her gift for uncovering patterns may not be enough.\u003c\/p\u003e\u003cp\u003eBecause understanding the Sun Furnace is only the beginning.\u003c\/p\u003e\u003cp\u003eThe machinery is dangerous. The evidence is incomplete. And the consequences of another mistake could reach far beyond the abandoned site.\u003c\/p\u003e\u003cp\u003eFor Mr. Winter, the investigation also brings questions that can no longer be avoided. His knowledge of the past may be indispensable — but trust demands more than knowing when to speak.\u003c\/p\u003e\u003cp\u003eTogether, Anneli and Winter must face a challenge unlike any they have encountered.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan they uncover the truth without repeating the very mistakes that made it so dangerous?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAnd when the final connections emerge, will they have the courage to act on what they discover?\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eEvery signal has led them here.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThe Sun Furnace\u003c\/em\u003e is the third and concluding novel in \u003cem\u003eThe Hidden Lines of Light\u003c\/em\u003e, an atmospheric historical mystery trilogy set in an imagined Denmark of coded signals, ingenious optical inventions, gothic atmosphere and dangerous secrets.\u003c\/p\u003e\u003cp\u003eFor readers who enjoy intelligent mysteries, determined heroines, enigmatic partnerships and discoveries that transform everything that came before.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe mysteries that began in \u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003eThe Light Over the Bay\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003e and continued in \u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003eThe Light Beneath the Cliff\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003e reach their conclusion here.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRead the trilogy in order: Book One → Book Two → Book Three.\u003c\/em\u003e\u003c\/p\u003e","brand":"MindFit Publishing","offers":[{"title":"Perfect Bound","offer_id":68144638296368,"sku":"9788794263580","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0262\/2357\/5085\/files\/9788794263580.jpg?v=1792593902","url":"https:\/\/www.thegreatbritishbookshop.co.uk\/products\/the-sun-furnace","provider":"The Great British Bookshop","version":"1.0","type":"link"}