The word for this week is book. The Han characters for the words for book all mean book in Chinese. 書 (shu) is the general word for book. 本 (ben) is the word used to count 書. The word 冊 (tse) means volume.
Chinese: 書 (shu)
Japanese: 本 (ほん) (hon)
Korean: 책 (冊) (chaek)
I like this book.
Credit: Free images from acobox.com