For sale used Longman Academic Writing 4: Essays (5th Edition), ISBN 978-1-4130-1704-5. Asking price is $35 OBO.
Description from the Publisher:
The Longman Academic Writing Series helps students master the academic writing skills needed to succeed in their academic careers. The five-level series spans writing topics from composing sentences to writing research papers. Each level covers the complete writing process from prewriting to revision.
Level 4 teaches high-intermediate students to write various genres of academic essays. The text's proven approach integrates training in grammar, mechanics, vocabulary, and essay organization along with the writing process.