The phrase "author best when" is not correct and lacks clarity in written English.
It seems to be an incomplete thought and would require additional context to convey a clear meaning.
Example: "An author writes best when they are inspired by their surroundings."
Alternatives: "a writer excels when" or "an author performs best when".
"Invariably, the author is best when she is back on home ground, dealing with the teenage characters, their inchoate yearnings and lonely friendships," says Pearson. "The book is at its weakest when it is most angrily political, satirising what JK's friend, Gordon Brown, calls 'bigots'bigots
Revealing secrets and changing lives at the end of a story serves an author — and reader — best when we get a little more setup than Torres has offered.
The author's approach works best when her sympathies align with the pressure of historical events.
But the boxing scenes are spun gold, and the author is at his best when he shows us what Tunney meant to the sweet science.
Indeed, the author is at her best when talking to women of that era, many of whose lives were buffeted by the political changes but whose preoccupations with marriage, relationships, sex and raising children were still often commonplace.
As a screenwriter, certainly, the author was at his best when his focus was adultery, the lies of love, and its misremembered memories and elisions, as played out in movies ranging from "The Pumpkin Eater" (1964) to "The Go-Between" (1970) and beyond.
Perhaps author Annie Dillard said it best when she talked about the influence of one writer on another.
In so doing he gives an easy introduction to some key economic ideas.An introductory economics book works best when the author is clear about who should read it.
Clinton the author shows off his talent best when he summarises the political dilemmas of rivals, foreign leaders or himself with concise acuity.
Linked essays about the Internet as the universal solvent of the fundamental social order, best when the author personalizes change by exhibiting teenage prodigies who have outrun their elders and betters on the Information Highway.
