This series of books is designed to help 5 ～ 7-year-olds learn new words within a particular grammatical context.Each book in the series focuses on a specific aspect of the language.
This book,Stop and Go,focuses on opposites.The pairs of opposites are grouped into four categories according to the level of difficulty:adjectives,e.g.big ． small;prepositions,e.g.in ． out;verbs,e.g.cry ． laugh;and nouns or pronouns,e.g.day ． night,everybody ． nobody.Every vocabulary item has a carefully thought-out 　 sentence to show its meaning in context and a full-colour illustration to reinforce the concept of opposites.The clear type and attractive layout ensure that both parents and children will find reading these books a pleasurable learning experience.