If I wrote a book my publisher gave me a great deal on a large quantity purchase of books to use for promoting the book then asked him if ...

Question

If I wrote a book & my publisher gave me a great deal on a large quantity purchase of books to use for promoting the book then asked him if I could return 3/4ths of the large purchase for a partial refund, what law would apply?

Answer

Law of Contracts, i. e., the one between you and the publisher.