Two of the 7 have wear, likely from liquid. (headsman and Sea Lions). You can see in the pictures that whatever the staining is, it is only on the covers and the first 5 pages or so. The rest of the pages are fine.

The other 5 are in Good condition. Normal aging and cosmetic wear for books 150 years old. No tears or rips as far as I can tell. Names have been inscribed on the inside front page.

Happy to answer any questions you may have.