Cortez Method I: Spanish Intro Levels ($50, 188 pages) This book covers the two Intro levels. It includes all 7 basic actions along with all Object Pronouns.
Cortez Method II: Spanish Beginner Levels ($50, 244 pages) This book covers all beginner levels and includes all Indicative Mood tenses as well as commands, its conjugations, uses with object pronouns, etc.
Cortez Method III: The Subjunctive Mood ($35, 131 pages) This book covers all intermediate levels. It includes all Subjunctive conjugations.