Write for Your Life (Lawrence Block, 2009) (with x in mind)

https://www.amazon.com/-/zh_TW/gp/aw/d/B000GCFX9U/ref=tmm_kin_swatch_0?ie=UTF8&qid=1625737526&sr=8-1 (accessible via scribd)

Now, it's「write for their lives.」