1. Libraries: Your local library likely has a selection of her books.
2. Bookstores: Both physical and online bookstores, like Amazon, Barnes & Noble, and independent bookstores, carry her novels.
3. E-book platforms: Platforms like Kindle, Kobo, Nook, and Google Play Books offer digital versions of her books.
4. Used bookstores: Used bookstores often have a good selection of classic authors like Catherine Cookson, often at lower prices.
5. Secondhand marketplaces: Sites like eBay and ThriftBooks offer used and sometimes rare editions.
6. Project Gutenberg: This free online library offers a selection of public domain works, which may include some of Cookson's novels.
7. Borrow from a friend: If you know someone who owns her books, you might be able to borrow them.
Please note: While it's possible to find free digital versions of some of her novels online, it's important to be aware of copyright issues and avoid illegal downloading.