The “Study Skills Sharpener” by Kathleen M. Ester is a study guide specifically designed for students in grades 7 through high school. Published in 2012, this ring/wire bound book focuses on education and study skills, providing valuable insights and strategies to help students improve their academic performance. With a user-friendly format and intermediate level content, this study guide is a valuable resource for students looking to enhance their study habits and achieve better grades in School and home school students.