Here is the cover art for Sunward: The Inner System, the first sourcebook we'll be releasing for Eclipse Phase. This is another fantastic piece from artist Stephan Martiniere (who also did our core book and GM Screen covers). It depicts a spacecraft scoping out a couple of suryas, which are a morph type genetically designed to live in the sun's corona. Yes, they're sort of like sun whales, and many suryas are actually uplifted whales or dolphins.
All of the cover art for Eclipse Phase is going to feature this horizontal, wrap-around cover design, with one half of the image on the front and the other half on the back cover, laying over the spine. This cover mockup shows you what the front cover will look like: