Last year, I shared with you the result of my Call to Arms, on my very popular post, Book Marketing Results 2015. I now have collected enough data to follow up with this year’s results. Like last time, I knew most of the media mentioned, although there a few surprises as well. Indeed; I hadn’t heard of 3 of the top 10 advertisers!

Methodology

For anyone wishing to take a look at the raw data, you can download this Excel spreadsheet. I have only processed data from discounted books, as that formed the vast majority of responses.

To compare the various ad media, I came up with a number that represents the ratio between number of sales and cost of advertising. In other words, if you spent $1 and had one sale, then this number would be one. If you spent $1 and had two sales, the number would…