Young Blood is a good, quick read. If I could give it a "3+", I would. Definitely not quite a 4, but I enjoyed the read.
Set in a near-ish future, the setting is the most interesting thing about this novel. Near-ish, as in near enough to our current world that not much of technology, world affairs, or anything of the sort is different, but things have gotten generally worse. Not much detail is spent regarding the "outside" world, which does not really matter to the actual story. What does matter is that the current climate is enough to convince young people to leave normal life for life at Luna farm, an early retirement community of sorts, where members of the community pursue various hobbies, participate in physical activity, purchase only sustainable clothing and organic produce, party every night, and are encouraged to date freely. The one thing they are asked to do is take daily vitamins and give blood, which is sold as a "medicine". In this future, blood transfusions have been marketed to help prevent aging. The mechanics of this are not heavily explained, but blood is a commodity to the rich. Luna is one of four farms that are all included in a large experiment to explore various styles of farming humans for blood. Some detail of this experiment is explained in one chapter, but I wish there were more. The Luna members are under the impression that they are part of a community, not rats in a science experiment. This is the story of their enlightenment regarding their situation.
The story is told through three main perspectives: Dr. Allen Finch, Billy Cantor, and Frankie Halifax. Dr. Finch is the "caretaker" in the eyes of the Luna community members, and head of the science experiment. Billy and Frankie are both members of the Luna community. My biggest complaint with the book is the characters. Billy and Frankie are cliche and predictable. This is not necessarily something that ruins the book; in fact, the book feels easily consumable. Not too deep where there are many questions that are leftover, but also not too shallow that it is boring. There is just the right amount of depth for a nice, easy read, that is well-written and moves along quickly.