With great anticipation, I contacted the project manager — let’s call him A.H. — who would copy-edit my manuscript and, I genuinely hoped, find ways to improve it. I had no idea things could go so wrong.

as he kept the schedule.

…

For the book to be published on schedule, I would have needed to return the corrected pages no later than October 14. Clearly, we would not make that deadline.

round of copy-editing.)
—Rescuing My Manuscript (Chronicle)

To err is human… I’m amused that the online version of this article on the copy-editor from hell has been textually mangled. The fragments in the quote above are reproduced just as they appear on the website.