As to the author of the book, I will hazard a guess.
The author dedicated her new book to her supportive family.
The author is going to adapt his play for television.
The author's fingerprint is quite obvious in all of his works.
He posed as an authority on that subject.
The heroine is the spitting image of the author.
The papal authority is sovereign.
The new building must be financed by the local authority.
He was popularly regarded as a great authority on phonetics.
Only the treasurer has authority to sign cheques.
The leader must be a person of authority.
His voice carries the ring of authority.
Supreme authority resides in the President/State.
He's in the care of the local authority.
She's looked on as the leading authority on the subject.
The governor has been invested with full authority to act.
This book shows that he is an ingenious author.
The author is planning to refine on his work of five years ago.
She's an authority on phonetics.
The government is the highest authority in the country.
The author boxed the compass of negation in his article.
A person such as a minor who have a right under the authority of a guardian.
The disgraced official was divested of all authority.
The author should be the last man to talk about his work.
The critics were down on the author as an absurd bungler.
This old man is a leading authority on wheat diseases.
She now have authority over the people she used to take order from.
The author's opinion came through his novel.
He has secured two commissions to design buildings for a local authority.
The editors have normalized the author's rather unusual spelling.
He has authority, but he doesn't try to dominate others.
The author kills off her hero in Chapter7.
The Transit Authority stands to lose$221 million in funding.
The tribunal has authority to settle certain types of dispute.
In this article the author contrasts good with evil.
The local authority is seeking to place the ward of court in accommodation.
Textual analysis identified the author as Shakespeare.
I hear from an authority that this disease is curable.
She now has authority over the people she used to take orders from.
Regionalism sits uneasily on the author's novels.
The author chooses to remain anonymous.
He defrauded the author of his property.
The author seems to strain after novelty.
I have it on good authority.
The author wove a story from three plots.
The mayor has a mace which is held as a sign of authority.
This author runs to sentiment.
The book's alive and well and making money for its author.
The ombudsman investigates complaints about misuse of authority without fear or favour.
They've (ie The people in authority have) sent us another form to fill in.