Last month I celebrated my third year as a successful indie author. Like most writers, I blundered on countless occasions and succeeded at others. Periodically I reached bestseller lists, making a writing career feasible. Enough positive reviews arrived to lend the courage to carry on.

One of the smartest moves? Two years ago I had the good sense to join ALLi.

Based in London, The Alliance of Independent Authors is a non-profit international coalition that has gathered together some of the best...