{"product_id":"mystery-in-san-francisco","title":"Mystery in San Francisco","description":"Green Apple is a series of richly illustrated graded readers especially designed for elementary school students. The series is based on internationally recognized standards of lexical and structural control ? from beginner to elementary, offering original stories as well as adapted classics in a variety of genres.Beginner: Written completely in the present tense with very simple vocabulary and grammar for students who are just starting English   Grammar covered:  Present Simple\/Continuous - be\/have got - can, cannot, must      imperatives - let?s (do)      simple time clauses - verbs and prepositions Basic:   Written in the present and past simple tenses, using simple vocabulary and grammar.  Grammar covered:  Past Simple regular\/irregular - will future - could Elementary:  Although the story is still written in the present and past simple tenses, there are longer sentences, more joining words and a   richer vocabulary.  Grammar Covered: Past Continuous - present\/past passive form - verb + gerund\/infinitive      if clauses (type 0) - comparatives\/superlatives ? regular\/irregular       simple phrasal verbs - would, should, need Features of the Green Apple series: ? introduction on the author ? wide variety of stimulating activities to develop the four skills including internet projects ? extensive footnotes with picture illustrations wherever possible ? informative dossier sections containing useful background information about","brand":"Gardners","offers":[{"title":"Default Title","offer_id":57492372881781,"sku":"9788853002150","price":9.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/7193\/3106\/files\/9788853002150.jpg?v=1786529211","url":"https:\/\/backstory.london\/products\/mystery-in-san-francisco","provider":"Backstory","version":"1.0","type":"link"}