Lean Publishing Tip of the Day: Sizing Images in Your Book
If you're including images in your book, you're going to have to choose sizes for your images.
This is actually a pretty technical matter. You'll have to learn a little bit about things like pixel density or PPI, and formats like JPEG and PNG.

Watch this livestream for a brief introduction to how image sizing works in Leanpub books.
Leanpub Help Center Articles On Image Sizing In Books
Here are some of the articles Len shows in the video:
How to ensure your images have proper file sizes
What size should my book cover image be?
Walkthrough: Creating a Book Cover Image
The Images Section of the Markua Spec
I'm confused about image sizes!
Watch Clips From The Livestream
