Thank you for viewing. I believe it's in a clean condition with no writing. The answer key is still attached to the book. No pets, no smoking. "Jitsuyo Sugaku Ginou Kentei Kako Mondai-shuu Kyuu 6-kyuu Sansuu Kentei" (Practical Mathematics Skills Certification Past Exam Questions Collection, Grade 6 Arithmetic Test) Japan Mathematics Certification Foundation Price: ¥800 + tax