Ruth Ware is up in the American charts again this week. The paperback of In a Dark, Dark Wood  is on its sixth week as a New York Times bestseller and is now at No. 6.

The novel has also jumped 26 positions in the USA Today chart which records sales of books in all formats.

In a Dark, Dark Wood is also a Sunday Times bestseller and a Richard & Judy pick in the UK. The novel has been optioned by Newline Cinema with Reese Witherspoon to co-produce.

Buy the book here