The five-volume series introduces over 650 written characters, and many more vocabulary words and phrases.
Volume 1: more than 280 words and phrases, 84 written characters
Volume 2: more than 440 words and phrases, 140 written characters
Volume 3: more than 500 words and phrases, 151 written characters
Volume 4: more than 440 words and phrases, 140 written characters
Volume 5: more than 500 words and phrases, 140 written characters