A third "Robert Galbraith" novel featuring detective Cormoran Strike, Career of Evil, will be published by Little, Brown this autumn, it has been confirmed. No precise publication date has yet been revealed.
The first in the series authored by J K Rowling, The Cuckoo's Calling, was published in 2013, and follow-up The Silkworm last year. The novels have recorded volume sales of just over 560,000 in the UK through Nielsen BookScan, to a value of £4.3m.
The author has said she plans "more than seven" novels in the Galbraith series.
The BBC is to adapt the novels for television.