YBM Reader's members-only app OPEN! When in Mobile, Meet the Leaders YBM anywhere! If the YBM Leaders members to read English books continue a variety of learning activities, One of the teachers who have completed the courses English Reading instructions: 1 coaching will grant confidence to the correct reading habits and English. Points earned through book learning, you can buy or decorate your own avatar Gifticon. [Information Use] 1. It is possible to book learning and the Leaders level test