Question

he has authored many books dealing with his awesome idea (change the voice)​

Answer 1

Answer:

Many books have been authored by him dealing with his awesome idea.

Explanation:

Hope it helps you...

Answer 2

$\large\bf\red{\underline{Given\: sentence:}}$

❒ He has authored many books dealing with his awesome idea.

$\large\bf\green{\underline{Answer:}}$

⸻ Many books had been authored by him dealing with his awesome idea .