ghosted       
adjective uk/ˈɡəʊ.stɪd/ us/ˈɡoʊ.stɪd/
 (书、文章等)他人代笔的,由影子写手写的
(of a book, article, etc.) written for another person to publish under their own name
  Ghosted football autobiographies are very common. 他人代笔的足球自传很常见。 
 Soon she had been offered her own ghosted column in a magazine. 很快,她就在一家杂志上得到了一个影子写手专栏。 
 - More examples
 - Ghosted articles don't necessarily lack personality.
 - Simpson's ghosted portion of the book makes for depressing reading.
 - In his ghosted memoirs Welch insisted he should have been much more ruthless.