Short answers, pulled from the story.
Little Brown and Company published the final version of The Apollo Murders in October 2021. The novel reached 135,000 words across 480 pages after editors cut the original draft from 195,000 words.
Chris Hadfield built the story around two Soviet vehicles that failed mysteriously in 1973 without explanation. Lunokhod moon rovers and Almaz military space stations both disappeared from public records during that year.
Chad Miller took command of the crew after Tom Hoffman died in an unexplained helicopter crash. Luke Hemming piloted the lunar module while Michael Esdale flew the command module for the mission.
Chad died from injuries sustained in a struggle with Svetlana Gromova over the Moon rock. He changed the capsule re-entry point toward a Soviet submarine before his death occurred.
Reviewers complimented Chris Hadfield attention to detail which heightened the novel suspense. His techno thriller jargon came across as quite authentic due to real world knowledge gained from working in Moscow mission control center.