Even the term "ghostwritten" is probably something of a euphemism in this instance. It is not clear how much input the supermodel actually had to the novel, which was actually written by the London–born novelist Caroline Upcher. (The website www.carolineupcher.com seems, bizarrely, to redirect to a Japanese seafood company - Hama Kaido Hokkaido.)
Swan is about a model dealing with blackmail. Campbell was quoted by the Irish Independent as saying "I just did not have the time to sit down and write a book". Ah, bless.
© Haydn Thompson 2018