I would say its for beginners good i bought this book for my son to prepare the psat in english part there is a directions to help him to do this practices when you reading the article the detailed answer to let him to know the answer beside of it in the math part there is many algebra 1 and 2 questions i observed that there is lack of geometry questions

This is a good practice book for the psat exam it has more tests 3 drills 1 test than most other psat prep books with a few major exceptions