This is Book 1A of the third edition, including a total of 15 lessons. Starting from level 0, Book 1A devotes the first 10 lessons into phonetic teaching and then proceeds to the stage of grammar and sentence patterns. Each lesson basically consists of five sections: text, new words, notes, phonetics/grammar, and exercises. The texts are mostly practical conversations; they are where grammar and vocabulary are used. The new words are all common words. The exercises come in diverse types, including comprehension, imitation, communication, etc.