His book, I must add, is a masterpiece.

我必须补充一点：他的书是一部杰作。

...masterpieces by artists like Rembrandt, Raphael and Ingres.

伦勃朗、拉斐尔和安格尔这些画家的杰作

The whole thing was a masterpiece of crowd management. [+ of]

整件事情就是人群管理的典范。