Ken Follett - Il cerchio dei giorni (The Circle of Days) book

'Il cerchio dei giorni' (published internationally as 'The Circle of Days') is a 2024 historical novel by the renowned Welsh author Ken Follett. This specific edition is published in Italian by Mondadori, Italy's leading publishing house founded in 1907 by Arnoldo Mondadori. The book is physically produced and printed in Italy to serve the national market.

While the intellectual property originates from the UK (Ken Follett's origin), the brand represented on the cover is Mondadori. The company is currently controlled by Fininvest, the holding company originally founded by Silvio Berlusconi and headquartered in Milan. Mondadori remains one of the largest media companies in Europe, specializing in books and magazines.