All of books including Japanese, Chinese, Korean and English. This will be indicated on the product content page. However the language of the book is not important. Because you can understand the process through symbols, charts and images.
This is an eBook (electronic book) not a real book
You will need Adobe Acrobat Reader to open and print this file.
Download for free from http://get.adobe.com/reader/
I suggest print in A4 size. After print out the pattern, please cut the pattern and put on doll body to confirm the size again.