"In Spanish. This Student Exercises Workbook level 1 complements the Classbook (9788497784023) offering additional exercises. . Level A1+ (CEFR). It has its own audio-CD for extended oral activities and the transcriptions of the CD and answers to the exercises will be found in the book. The 12 units of this exercises book reinforce and refer back to the 12 units of the Classbook. Agencia ELE will have 6 levels (up to B2.2), each level consisting of: Classbook + CD; Exercises book + CD and Whiteboard CD-ROM. The Teacher's book can be downloaded from the Internet."