They say never to judge a book by it's cover... I have to admit, that's something I do quite often. When I started this book (the first 100 pages give or take), I was disappointed. It started slow, I didn't really care for what was going on, and I wanted a murder in space. Once take-off happens, the story (and the stakes for all of the characters) ranks up to a thrilling read. Was the perpetrator obvious at the reveal? Yes. Is this a bad thing? No. 

The book goes into great lengths to explain a lot of what happens, which makes the twist not surprising as it's hinted at all along. When I started out, I thought this was such a Dad book. I still stand by that, but it's honestly for anyone who is interested in space and the space race. Even though the story itself is fiction, a lot of the devices, technology, and programs were/are real. It helps to really flesh out the story.

I'd say any adult who is even slightly interested in space and the moon landings will like this, but Dads (who were alive when this was happening for real) will highly enjoy this book.