100% of students who have worked them has improved.
I am a perfect example. I was a struggling art student desperate to have my skills improved enough to accomplish my goals as a portrait painter. I studied, finished college, got tutoring and ultimately was able to achieve my desired proficiency. I never stop learning and growing and have the means to do so through the practice of these exercises.
I have taught and refined this book to make it more streamlined, simplified and as effective as possible. It has been used for individuals and groups of children ages 6-19 and adults of all ages; in homeschools, co-ops, my own studio and in college classes.
I guarantee results for all who try it.
You can dream, therefore you can draw!