SPI & Test Center Practice Problem Collection, including all patterns, with answer and explanation key. - Title: SPI & Test Center Super Practical Problem Collection - Edition: 2025 Edition - Publisher: Natsume-sha - Features: Includes all patterns - Contents: Reasoning, Permutations, Probability - Separate Volume: Answer and Explanation Key - Price: ¥1,300 (excluding tax) Thank you for viewing. - The answer and explanation key has been detached. - Used only once. - No bending or writing.