I decided today to practice what I preach and publish Rolling Rocks Downhill as a series.
I'll start the final edits for "RRD book 1" (the current beta) shortly, aiming to publish it early next year. Book 1 ends with a cliff-hanger.
I'll release “RRD book 2” in 2015 or 16. It'll be slightly shorter book (a novella?) and ... it will end with a cliff hanger. “RRD book 3” will follow and ... so on …
I discovered today (if you click the link, search for "cliffhanger") that this is how books were published in the old days.
So, books used to be published in an Agile way.
Apparently Dickens worked this way: