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New entry May 03

Critter Notices

New Book from a Critter Member

Awesome new book, HOW TO IMPROVE YOUR SPECULATIVE FICTION OPENINGS, from a Critter member whose unearthed a shard of The Secret to becoming a pro writer. Really good piece of work. "...if you're at all concerned about story openings, you'd be nuts not to read what Qualkinbush has to say." —Wil McCarthy, author of BLOOM and THE COLLAPSIUM

Stayin' Alive

If you want to make a career of SF writing, STAYING ALIVE - A WRITER'S GUIDE by three-time SFWA President Norman Spinrad, published by your Critter Captain's ReAnimus Press, is an indispensable guide to the SF publishing industry by an expert.

How to Write SF

Hot off the presses from ReAnimus Press! The Craft of Writing Science Fiction that Sells by Ben Bova, best-selling author and six-time Hugo Award winner for Best Editor. (This is one of the books your ol' Critter Captain learned from himself, and I highly recommend it.)

Book Recommendation

It's like discovering a new Heinlein book: POINT ULTIMATE by Star Trek writer Jerry Sohl.

Announcing ReAnimus Press

If you need help making ebooks from manuscripts or print copies—or finding great stuff to read—look no further! An ebook publisher started by your very own Critter Captain. (And with a 12% Affiliate program.) [More]

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Ebook Sales Curves — Sssssssss Hot!

I noticed in the WSJ that Stephen King says he now reads about half digitally.

This lead to a question about hard data on ebook sales, so I found that the Association of American Publishers reports ebooks are now over 9% of sales. They also present a chart showing their annual growth data from 2002, in dollars and percent of sales. It very much looks like the left/early side of a classic adoption S-curve.

I thought it would be interesting to curve-fit the AAP's data to an S-curve see how it fits, and see where it projects it's going. I remember reading somewhere a couple months ago that the major publishers thought ebooks would exceed 50% of total sales no later than 2015. I seem to recall they used the word "conservatively" in that statement.

See this is an exponential function. It grows really fast. The early numbers may look small, but the year-over-year growth rate is still high. There is a significant increase in each of the years -- the numbers double or triple each year.

It obviously can't keep doubling or tripling. Only until you reach around the 70%ish mark; then it slows and eventually closes in on 100%. Adoption of products tends to follow the Pearl curve aka Logistics curve aka S-curve. It's a well known curve, and usually pretty accurate.

For grins I decided to do a regression analysis on the AAP's data points, fitting it to an S-curve. The r-squared correlation coefficient came out to an incredible 0.9677. (1.0 is a perfect fit. 0.9677 is an extremely good fit.)

The predictions from this curve fitting are pretty astounding: Ebooks sales roughly tripling again next year (so 9% of sales to around 27%). By the next year ebook sales exceed 50% of sales, roughly projected around 2/3. By the year after that, ebooks could be as much as 90% of sales.

The sources of error in this curve-fit come mostly from the fact that we only have annual data, and from the fact that a lot of the fit comes from the early, small potatoes numbers. Quarterly data would be more useful. And of course human nature isn't a perfect curve fit; economic factors, luck of the draw on what ebook devices are out there, etc. all contribute.

But the data suggest that ebooks could overtake print book sales and become dominant within a very small number of years. Exponentials are not to be trifled with.

"That's FAST!" you say. Yes, well, let's not forget that DVDs overtook VHS in only three years.

It's always scary to make predictions, but this has all the signs of being "the big one."

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