Epistolary

Epistolary relates to the writing of letters. It derives from the word epistle, which means a letter that is very long and also very formal.

There’s a few well-known examples of epistolary novels told through letters include Bridget Jones' Diary, by Helen Fielding, and The Color Purple, by Alice Walker.

And did you know? Jeff Bezos modelled his Amazon letters (1997 to 2017) on Warren Buffett’s letters to Berkshire Hathaway shareholders.