Hello and welcome to Skin Tome!

skin |skin|
noun
the thin layer of tissue forming the natural outer covering of the body of a person or animal or object

ORIGIN late Old English scinn, from Old Norse skinn; related to Dutch schinden ‘flay, peel’ and German schinden.

tome |tōm|
noun chiefly humorous
a book, esp. a large, heavy, scholarly one : a weighty tome.

ORIGIN early 16th cent. (denoting one volume of a larger work): from French, via Latin from Greek tomos ‘section, roll of papyrus, volume’ ; related to temnein ‘to cut.’
-tome
combining form