Author David Lagercrantz has written the fourth book in Stieg Larsson’s Millennium series, based on Larsson's universe and characters.

The book is due in August 2015. MacLehose bought world English Language rights from Norstedts and Moggliden, the Stieg Larsson estate, to publish the new novel.

Boirn in 1962, David Lagercrantz has written several novels and non-fiction books. His biography, I Am Zlatan Ibrahimovic was one of the most successful Swedish books in recent years and is his best-known work in translation.

The biography was shortlisted for the William Hill Sports Book of the Year in the UK. David lives on Södermalm in Stockholm in the same neighborhood where much of the action in Larsson’s Millennium series is set.

Larsson who died in 2004, aged 50, never got to complete his proposed ten-book oeuvre.

Larsson's Millennium books have sold more than 75 million copies in 50 countries making the series one of the most successful series of novels in modern times.

Publication of the new book - whose title is s yet unannounced - is planned for next August, exactly ten years since Norstedts published Män som hatar kvinnor (The Girl with the Dragon Tattoo).