Suzuki’s mother-tongue approach requires listening to the reference recording 50–100 times before playing the piece. When a parent downloads a PDF and hands it to a child, the child attempts to decode the music like a puzzle, bypassing the ear training.
If you are a teacher, buy the official book. If you are a parent, buy the official book and the CD. If you are a student—stop looking for a PDF. Close your laptop. Put on the recording. Listen to Witches' Dance ten times. Then, and only then, open the book. pdf suzuki violin book 2
A PDF shows you the notes. It cannot show you the exercises at the beginning of the book that teach you how to make a beautiful sound on the Chorus from Handel. It cannot play the piano accompaniment for The Two Grenadiers so you learn to wait for the "question and answer" phrasing. If you are a parent, buy the official book and the CD