รายละเอียด(อย่างย่อ) Boost up Listening and Speaking series includes nine parts designed to assist young lerners of English in discovering their English listening and speaking abilities. The series presents the skill needed to listen and speak effectively about a range of everyday topics relevant to the lives of young learners. It also introduces syudents to a variety of high-frequency vocabulary and grammar structures necessary for building a foundation in English. In Addition, there are online supplemantal materials to give learners additional practice.