1) This is an elementary school textbook that perfectly reflects the black textbook.

2) You can study easily and quickly with online lectures and schedules.
This is a homeschooling workbook.

3) Video lectures, online learning schedule management
We have strengthened on-offline linked learning.

※ The “Progress Book” section of the textbook is identical to the “Concept Book” in the “Leader” series textbooks, so customers who plan to purchase both textbooks are requested to refer to the relevant information.