Common title convention. Somewhere in the title will be the words "age of (insert age here)". "The" is optional.
A subtrope of The X of Y
- The Age of Innocence by Edith Wharton.
- The Age of Reason: Being an Investigation of True and Fabulous Theology by Thomas Paine.
- The Age of American Unreason, by Susan Jacoby.
- The books of James Lovegroves Pantheon series: The Age of Ra, The Age of Odin,' The Age of Zeus and The Age of Aztec.''
- In The Wheel of Time, the Age of Legends, a period that ended some three thousand years before the series proper, is frequently mentioned and in fact, served as a starting point for many plotlines.
- "Age of Desire", a novelette by Clive Barker.
- Hair: "This is the dawning of the Age of Aquarius..."
- Commonly used to describe time periods to emphasize certain elements of the time period. (Age of Sail, Age of discovery, etc.)