2019.03.01~2019.08.31
[이벤트] 사파리 초등 활동책 특별 이벤트
[예스24] http://www.yes24.com/Event/01_Book/2019/OT0115Kid.aspx?CategoryNumber=001&scode=036
[알라딘] https://www.aladin.co.kr/events/wevent.aspx?EventId=188285
[교보문고] http://www.kyobobook.co.kr/prom/2019/pube/01/190123_steam.jsp
