You can modify a book all you want, that is fair use, but if you alter it such that it breaks the copyright and try to profit from that, without permission, you break the law.
Brush up on copyright law, you don't understand much of it.
Central, you really find yourself intelligent, but alas you result to circulus in probando. I was asking for logical reasons and answers to my hypotheticals, not a restatement of rules. Alas, I asked too much from you.