Oxford Practice Grammar Intermediate Books

New Headway Intermediate Vocabulary Quizzes

McGraw-Hills Essential English Irregular Verbs (Mark Lester, Daniel Franklin, Terry Yokota)

Learn Cognitive Psychology – How to Learn, Any Skill or Subject in 21 Days (Sebastian Archer)

Introducing… The Super Clever Advanced Learning Method (SCALM) A Universal Method to Learn Any Subject and to Memorize… (Nemo, Chris M)

Essential Grammar for Todays Writers Students and Teacher

English Language Toolbox – Phrases, Clauses & Sentences

English File Advanced Plus Student’s Book

Cognitive Grammar – An Introduction

Better Vocabulary in 30 Minutes a Day (Better English Series) (Edie Schwager)