{"product_id":"9781933397030","title":"The Cambridge Theorem","description":"\u003cp\u003eWhen Simon Bowles commits suicide, no one is surprised. A graduate student in mathematics at Cambridge University, Bowles had a long, well-documented history of depression. But as Detective Sergeant Derek Smailes soon discovers, he also had a passion for investigating historical mysteries and an extraordinary knack for solving them. His most recent project: uncovering the identity of the fabled fifth man in the notorious Cambridge spy-ring of the 1930s. Could Bowles possibly have solved that mystery? And could his solution-his theorem—have brought about his death? Rooted in the (thoroughly researched) history of the Cambridge Spies.\u003c\/p\u003e","brand":"Felony \u0026 Mayhem, LLC","offers":[{"title":"Default Title","offer_id":47059480576240,"sku":"9781933397030","price":14.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781933397030_p0.jpg?v=1763640768","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781933397030","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}