Which first: eBook or print?

What to do? Your book is finally ready to go. Now the question becomes what should you publish first—your eBook, your print book, or both at the same time?

Every time I help an author prepare for a book release, we bump up against this question. And, it turns out there is no perfect answer—no one-size-fits-all.

One theory suggests that releasing all versions together allows you to make more efficient use of your marketing efforts: Visibility lasts only so long, and if both versions of the bo...