The phrase "author displays" is correct and usable in written English.
It can be used when discussing how an author presents or showcases certain elements in their work, such as themes, characters, or ideas.
Example: "In her novel, the author displays a deep understanding of human emotions through her characters' interactions."
Alternatives: "the author illustrates" or "the author demonstrates".
And the author displays myopia of his own.
The author displays a wide-ranging knowledge of production, consumption, natural resources and public policy.
At times, though, the author displays his posters with considerable force.
(The author displays an "ironic modesty" and "simplicity" in the writing, Calvino wrote approvingly).
As well as telling an engaging story, the author displays a sure-footed knowledge of the period.
The infectious enthusiasm, even emotionality, that the author displays toward her subject — "stunned" is not a word you often come across in discussions of Hellenistic literary papyri — cannot, in the end, compensate for questionable methods and wobbly evidence.
In his portrayal of that perverse utopia, the author displayed the skills of a dogged reporter and a meticulous archivist.
There is something uniquely satisfying about seeing the marvelous paintings of Carlo Levi — Jewish, anti-fascist, painter and author — displayed at Villa Torlonia, a sumptuous villa that served as the personal residence of Italian fascist dictator Benito Mussolini for nearly 20 years.
But Kenrick, unlike many popularising authors, displays a fine scientific modesty and generosity to the reader in pointing out where different explanations are possible.
Although their accounts document appalling abuse, the authors display an elemental will to live that is deeply affecting.
Someone, maybe me, should publish a Hollywood-homes-of-the-stars-type map of America's premier crime novelists, complete with oval-shaped portraits of the authors displayed above the areas they chronicle.
