A literary agent recently approached the fashion mogul to write about her business success, but the singer ultimately declined, reported Us magazine.
"She was getting offers for between USD 1 million and USD 2 million -- or more," a source said.
"Companies wanted her to write something as dishy as possible -- about her romance with Eric (Johnson) and being a mother," the source added.
Maxwell and Ace's mother dropped her sixth studio album Do You Know in September 2008.