Alien alert in Seattle

"Alien Alert in Seattle" is a book written by Gina D.B. Clemen. It's part of the Black Cat - Cideb series and is designed for readers at the A2 level of English proficiency. The story revolves around a UFO sighting in the Cascade Mountains near Seattle, Washington. The excitement grows when Karen, Barbara, and Walter, three friends, notice that one of their teachers is behaving very strangely. They decide to investigate and are surprised by what they discover.