Book 1
Complete Guide to Pronunciation in Pinyin Volume I
Zhao Z.J.
Book 2
Complete Guide to Pronunciation in Pinyin Volume II
Zhao Z.J.
Book 3
Guide to Simple Chinese Characters with Similar Pinyin
Zhao Z.J.
Book 4
Quick Guide to Pronunciation of Pinyin Basic Letters
Zhao Z.J.
Book 5
Complete Guide to Pronunciation of Pinyin Syllables Volume I
Zhao Z.J.
Book 6
Complete Guide to Pronunciation of Pinyin Syllables Volume II
Zhao Z.J.
Book 7
Chinese Sayings for Practising Pinyin Pronunciations Volume I (A-G)
Zhao Z.J.
Book 8
Chinese Sayings for Practising Pinyin Pronunciations Volume II (H-S)
Zhao Z.J.
Book 9
Chinese Sayings for Practising Pinyin Pronunciations Volume III (T-Z)
Zhao Z.J.