Our ebook templates are available in 1410x2250 pixels. However, if you want a thing unique you may adjust the dimensions to what you'll need In the editor. How much variation will a professional design actually make? We ran an experiment to understand. We A/B tested Meta and BookBub ads to https://selfpublishingbookinlondon.blogspot.com/2025/04/how-can-you-open-your-earnings-with.html