cover image of Jennifer L. Armentrout’s novels Obsidian and Onyx can both be found in the collection Lux Beginnings. This 2-in-1 book contains the first two novels in the Lux series. These science-fiction novels tell the story of Katy and her alien neighbors. Daemon and his sister Dee have special powers a galaxy of enemies wants to take away. When Daemon “marks” Katy, her only choice is to stick close until the mark fades. When Katy moves from Florida to West Virginia right before senior year, the last thing she expects is falling for an alien. Well, a Luxen to be exact. As the tension between Daemon and Katy builds, the Department of Defense comes to town and turns things upside down. Katy’s relationship with Daemon grows and so does the danger they’re in. Their forbidden romance is very Twighlight-like, but with a fresh twist that keeps the reader coming back for more. This novel is recommended for mature teens who are looking for a forbidden love story mixed with danger at every page turn.