Textbooks (O'Levels/A'Levels)Books Online Marketplace to buy sell books in Pakistan, Signup today to buy or sell your book. 'O' Level were a British punk and indie band, founded in 1976 by Ed Ball with friends John and Gerard Bennett. . The group's name refers to the 'O'-Level of the British General Certificate of Education. On this page you can read or download Zimsec O Level Textbooks in PDF format. Section 2Main EFA challenges in 2000 and targets for 2015 . Activity Books STEM Teacher Resources New Classroom Collections My Books Every Day Social & Emotional Collections Guided Reading Short Reads: Our World Guided Reading Level O-P What can we help you find?