The book I have recently finished is Scythe by Neal Shusterman. In Scythe, the world no longer has to worry about disease and misery. People also don't have to worry about death, unless a scythe has decided to glean them. Gleaning is to end someone's life for real. Scythes are people who are chosen and trained to end random lives to create unnatural death in a community that literally won't die. MidMerica's population is growing too large, so two children named Citra and Rowan are plucked out of this region for Scythehood. They are picked to be scythe apprentices because they have defied true scythes in the past and neither actually want to glean. You see, scythes are both sacred to people and feared. Their master, Scythe Faraday, chose them