Skills First! is a series of language skills books for Levels 1-4. Unique Features: 15 Units which offer systematic practice in reading, writing, listening and speaking skills. Original storyline developed through reading and listening. Factual information explored through reading and listening. Integrated activities lead from language comprehension to production and extension. Vocabulary and grammar items appropriate for each level. Characters and situations appropriate for each age group. Class Cassette/Audio CD contains both Reading and Listening texts to be used in class. Student Cassette/Audio CD contains the Reading texts for the students to use while working on tasks or reading the text. The Teacher's book includes full answer key with general guidelines on chapter.