Oxford Basics are short, easy-to-use books based on communicative methodology. They provide ideas for teachers and guidance on how to handle everyday classroom situations.
Various is the correct author for any book with multiple unknown authors, and is acceptable for books with multiple known authors, especially if not all are known or the list is very long (over 50).
If an editor is known, however, Various is not necessary. List the name of the editor as the primary author (with role "editor"). Contributing authors' names follow it.
Note: WorldCat is an excellent resource for finding author information and contents of anthologies.
I teach Writing for level 2. I don't think the book is up to their level, but it's not bad as a starter.
**
"Writing is easier if the learners are prepared for the task, and if their imaginations are stimulated beforehand."
**
"It is difficult to write when you don't know who you are writing to or why. In real life, we always have a reason for writing... In the classroom, there is often no apparent reason for writing beyond 'the teacher said do this for homework.'"
How to have students write in a context: 1. writing from a picture 2. responding to a text 3. survey and report (gather info and sue to write) 4. visualization (close their eyes and visualize a scene that you describe)