Out of your many books, what do you consider your magnum opus?
For years, it was her dream to create an illustrated “magnum opus” that addressed shortcomings in American sex education.
Sun will shine through many openings of the “Luminous Caves,” which he refers to as his magnum opus and his final excavation.
Joel McCrea gives a delightful performance as a director determined to make his magnum opus, O Brother, Where Art Thou?
Thence the Cathedral—to be the magnum opus of the good Archbishop.
Magnetised electricity is the first matter of the magnum opus.
He died in 1900, before he had finished his magnum opus, a work on moral philosophy written on a religious basis.
The writing and the printing of this magnum opus had been going on as long as she could remember.
She no doubt longed to see me perform the magnum opus, but the gentle Armelline would not allow me to go so far.
His magnum opus is an elementary chemistry in verse for use in schools.