this book is very good to teach the arabic letters and names of Allah.
but it could be only for 5-7 years old to write the lettets many times to learn it and how is the letter locks like . at the same time they will learn how the letter locks like in the word - the name of Allah- by locking at it and reading the word.
it shoud not be for 9-12 . this age can learn the letter much faster . by writing it one time . And reading it and writing it in differant words.