The Art of Cookery made Plain and Easy was first published in 1747 and went on to appear in 20 editions before the century was out. It remained in print until 1843 – and indeed facsimile copies are still available on Amazon. You can even get it as a free e-book via Google here
A lovely article about Hannah Glasse: what a woman.
Read this article, and if you're writing a book, think about how lucky you are to be writing today, and not over 250 years ago.