For a high-quality, authorized EPUB file, the following platforms are reliable sources:

If you are looking for free legal alternatives or similar titles:

: This site hosts many scanned books converted to EPUB format. While they primarily carry public domain or older works, it is a useful resource for digital borrowing.

: Kobo offers a wide variety of mystery and thriller titles in standard EPUB format. You can browse their Free eBooks section or search for Mary Stone's work directly.

: These platforms typically provide books in EPUB format that can be read on their respective apps or exported to other devices. Free and Public Domain Resources

: Most local libraries allow you to borrow EPUB titles for free using apps like Libby . Check your local library’s digital catalog to see if Dark Silence is available. Dark Silence (Charli Cross Mystery Series Book 5)