Training book using 80 patterns to naturally learn English. - Title: Native Speakers Never Stop Learning English! (Learned by age 12) - Content: 80 pattern training for natural English acquisition - Target age: 6 to 12 years old - Features: 400 fill-in-the-blank practice questions - Level: Guidelines based on age and level Thank you for viewing. I purchased this online for 1500 yen, but I am selling it because I didn't use it. There are no folds, stains, or dust.