This was an intriguing adventure. A city spaceship is traveling by the Milky Way when they find an unknown asteroid field that turns out to be a collection of death markers, or memorials. Yoko is sent out to discover what exactly is going on. She is armed with the knowledge that the captain on the ship plans on rewinding the clock by 8 hours after she figures out what is going on, so that they can safely bypass this section of space. And thank goodness for that time turner, as it is going to be needed. Lots of interesting things happen. An alien species on board happen to be a type of death eater, but they also take on the property and personality of the dead they eat, and cause a great havoc outside the ship. This was such an interesting story, and I cannot wait to read the next adventures, and see how the rewinding of time changes events.