Resistant to writing and rubbing, efficient learning. Phoenix manifesto exercise book is an exercise book to help primary school students learn, which is published by Phoenix Media. This exercise book is a carefully designed exercise book for students. It's eye protection paper, which can relieve visual fatigue, resist writing and rubbing, and children's learning efficiency is high. Be sure to buy it. Exercise books refer to books specially used by students or other learners to do homework and exercise books usually used as auxiliary teaching materials.