A week from tonight a lot of people from Lowell and environs will be at the Appleton Mills atrium for the launch of a new book that collects the work of dozens of writers, visual artists, and musicians who live and work in the city. Titled “Young Angel Midnight,” the anthology will make a huge statement about the vitality of the creative sector of Lowell. This is something new and different. The Cultural Organization of Lowell (COOL) commissioned Bootstrap Productions, a local publisher, to produce a document that would capture the imaginative and intellectual energy surging through the community’s nervous system. I try to keep up with what is going on, but I was surprised to see the variety in the work of younger creative people in the city. The quality is high throughout.