Our Discovery Island AmE (SB2 w/CDROM + WB2 w/CD) Student Book w/ CD-ROM * Each level of the Student Book contains a Welcome unit and 8 units each designed for 3-5 hours of class per week. Each unit includes a values lesson, a cross curricular lesson and a "phonics" lesson. The access code printed at the back of the book gives students and parents unique and safe access to the online world. * The CD-ROM contains additional interactive games and puzzles related to each unit of the Student Book. It also includes the songs and chants.