-Packed by Singapore Publishing,we just direct send out,cannot choose issue.

-There are 5 books in a set, number of issues are randomly selected and packed.

-We suggest per level purchase 1 set to avoid get same issue

-所有包装都由新加坡出版社处理，不能选择期数

-建议每个年级只购买一份，避免获得相同期数

-每套5册，期数随机抽取包装。