The phrase "author's attention" is correct and usable in written English.
It can be used when referring to the focus or consideration that an author gives to a particular subject or detail in their work.
Example: "The author's attention to detail in the narrative enhances the overall reading experience."
Alternatives: "writer's focus" or "creator's consideration".
Nothing, it seems, is too small to escape this omnivorous author's attention.
Not surprisingly, on a trip to see Buddhist statues in Henan province, the author's attention wanders.
Nothing about the way Fallingwater was built, conceived, influenced or manipulated escapes the author's attention.
How to get an author's attention at a reading: bring the murder weapon he mentions in his book.
Kids have always had a penchant for gore, so the author's attention to detail in the dentist chair should go over big.
This is a professionally crafted and engaging story in the tradition of Sebastian Faulks's Charlotte Gray, made plausible by the author's attention to historical detail.
With this passage, my eye was going over Spenlow so quickly, the author Dickens's attention to the details of Spenlow's appearance so hurriedly provided and then moved from, left behind for the next detail and then the next...and with such ravishing color and noisy precision...that I was a couple of paragraphs further along before I realized the wondrous manner in which Spenlow had been described.
If that sounds like a hedge, it isn't: instead, it's a testament to the author's close attention to nuance.
There is next to nothing in this novel that feels forced; the author's mature attention illuminates equally everything it falls on.
Somehow, the conservancy's ongoing accomplishments barely made it to print in a scant portion of a single sentence in your article, but its author's vitriolic attention was fully engaged by harmless polo chatter and the maunderings of bitter divorcées.
Attesting to the author's meticulous attention to detail, the gender status of experimental animals is verified by differences in the salivary gland, Bowman's capsule in the kidney and liver nuclei.
