ALT Graphic with a dark spacey background. Yellow text at top, Inner Universe Series. Two tablets with book covers are shown side by side. The left cover is a blue spacey theme with purple nebulas and two looming planets. An old-fashioned wooden ship with sails is flying towards the viewer. Gold foil-like text at the top state the series name, Inner Universe. The title is across the planet at the bottom and in large letters reads, River in the Galaxy. Beneath in slightly smaller text the author name, Natalie Kelda. The righthand cover is blue and orange nebulas with space debris and a looming planet of oranges and pinks near the bottom. An old-fashioned wooden ship with sails is flying out of a nebula-like space cloud and towards the left of the cover. The title is gold foil-like text across the bottom where the planet is. Text: Outer Universe and below in smaller the author, Natalie Kelda. At the top the series title in small gold font, Inner Universe.