TAC's Denken Type 2, Phase 2 Exam Preparation Mechanical Control, DVD Complete 25-Disc Set. Instructor: Takeo Ono - Brand: TAC - Format: DVD only, no textbook. 2024 Edition - Quantity: 25 DVDs total Mechanical Control - Phase 2 Exam Preparation Lectures: 20 discs - Phase 2 Summary: 1 disc - Pre-Exam Practice Drills: 4 discs Total: 25 discs Although there is no textbook, the instructor speaks quickly. Key points are displayed with text and diagrams and explained in detail. The preparation lectures consist of 20 sessions covering the textbook lectures and practice problems. A summary lecture consolidates this material. There are 4 sessions covering past exam questions (4 questions). Textbook explanations and exercises are displayed along with the audio. There is also advice provided. While having a textbook would likely improve understanding, it might be a bit difficult to study without one. However, it seems possible to study somehow. Since the textbook isn't displayed, what do you think? It depends on the individual, so it's hard to say. Please purchase at your own risk if you are okay with only the DVDs. The DVDs have some minor scratches, but are mostly clean. All discs were playable. Thank you for viewing.