... exemplary.

[Colapinto] diligently delivers his newfound knowledge and hard-earned perspective, aided by an exhaustive lineup of scholars, scientists, historians, physicians and voice artists. From Cicero to rock stars to demagogues to opera divas to newborns, Colapinto learns, enlightens and entertains.

... heavily researched.

An expert popular science account of human speech.

Colapinto explains fundamental aspects of the human voice, including the physiology that makes human speech possible (e.g., neural circuitry and the organs involved); how tone, pitch, and accent can have social relevance for men and women.