Ruth Ware is sustaining her position in the American charts. The In a Dark, Dark Wood paperback is on its fifth week as a New York Times bestseller and is currently at No. 9.

The novel has also jumped 13 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.

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