How to Teach Writing is part of the How to… series of Pearson methodology books.
How to Teach English has chapters on Writing as a process, Describing written text, Writing in the language classroom, Nuts and bolts, Building the writing habit, ‘Worked-on’ writing, Responding, correcting and guiding, and Journal writing.
There is a Task File for self study or for use on teacher training courses
Jeremy Harmer 