Brandon Brown quiere un perro (Past and Present Tense) One-Year Digital Teacher Package (Premium Teacher Guide + Student Edition FlexText® + Explorer)ISBN: 9781641591478 2013 One year subscription to Brandon Brown quiere un perro (Past and Present Tense) Premium Teacher Guide, Student Edition FlexText, and Explorer. Teachers need to purchase the One Year Teacher Digital Package and create a class on the Learning Site to access the digital material. (Teachers guide, audio, and downloads) Access code to subscription will be included in an email following your purchase.