To register your book, please choose a level and answer the registration question:

Level A
In Level A, Hygiene Story 2, what is the first English definition on the inside back cover?

Level B
In Level B, Family Story 1, what is the last word in the English story on the inside front cover?

Level C
In Level C, what is the last word of the English translation in Astronomy book 1 “One Day, One Month, One Year?”