Da Shiping and Wendy Da are both Chinese teachers of several international schools. Their publications include textbooks such as Building Blocks for Learning Chinese Characters, Radicals for Learning Chinese Characters, Learning Spoken Chinese by Rhythmic Chants, My Mini Radical Dictionary, My Mini Chinese Dictionary, Playing Cards for Learning Chinese, Wall Charts Of Chinese Character Building Blocks, Study China through Numbers—Wall Charts on Chinese Geography and History and Reading Journal for “Traveling around China—Chinese Reading Marathon” and the multimedia product Magical Chinese Characters.