Full disclosure: I received a free copy of this book from the author.
Retrograde is set in a future universe that has been carefully conceived. The story includes references to the history and logistics of human space colonization, past conflicts or disasters that prompted some to leave Earth, and an approach to faster-than-light travel that includes possible physiological side affects. The challenges faced by the main character kept my interest, because she had to carefully investigate the complexities of the politics on the planet Buda Praha while a volatile situation was rapidly developing. Court intrigue and action scenes kept the story moving.
I enjoy stories in which the characters approach problems thoughtfully, when the reasoning behind their actions is clear to me. For this reason, I found Retrograde to be an enjoyable, relaxing read.
The book successfully places the reader in the action by carefully describing details like the characters' physical appearance, equipment and weaponry, the arrangement of ships and rooms, and the geographical layout of regions. However, more unique and potentially fascinating details about the universe are lacking. For example, action on Buda Praha is set in a relatively small region of the planet; I'd like to know a lot more about the rest of it. I have other questions about human colonization, and about the background of the protagonist. I expect that some of these may be answered in the next book in the series.
Overall, a promising start for a debut author.