Basic Study Manual: $30 Future success depends on the ability to learn. Here are the answers to the questions most often asked by parents, teachers, business trainers and by students themselves. Read this book and learn: What the three barriers   to study are and what to do about them. What to do if you get tired of a subject you are studying. Twenty-six simple drills to help you learn how to study easily, rapidly and with full understanding. Buy and read the Basic Study Manual and use it to dramatically improve your ability to study. Study Skills for Life: $20 L. Ron Hubbard's study technology for teenagers opens the door to their future success by giving them the ability to study and learn. Fully illustrated   for easy understanding. Learning How to Learn: $40 The basics of effe www.ks5u.comctive study for 8 to 12-year-olds, fully illustrated. Children who read and apply the materials in this book regain their liking for study and their ability to apply this knowledge in life. Get this book for a child you want to see win at his studies! Buy it before May 1, 2005, and you'll just pay half less. How to Use a Dictionary Picture Book for Children: $40 In spite of billions of dollars spent on "educational research", children are not taught the most basic skills of learning, even the most basic of these: how to use a dictionary. Written for children from 8 to 12-year-olds, this fully illustrated book will teach your child: How to find words in a dictionary The different ways that words are used What the different marks and symbols that are used in a dictionary mean How to use a dictionary to correctly pronounce words It includes a section for parents and teachers showing you how to use this book with children. Buy this book and give it to your children to unlock their education. What's more, you'll just pay 50% for it before May 1, 2005. Some of the four books were illustrated in order to  _  .
help readers understand them better persuade more readers to buy them reduce the cost of them make them suitable for different readers
Question: Basic Study Manual: $30 Future success depends on the ability to learn. Here are the answers to the questions most often asked by parents, teachers, business trainers and by students themselves. Read this book and learn: What the three barriers   to study are and what to do about them. What to do if you get tired of a subject you are studying. Twenty-six simple drills to help you learn how to study easily, rapidly and with full understanding. Buy and read the Basic Study Manual and use it to dramatically improve your ability to study. Study Skills for Life: $20 L. Ron Hubbard's study technology for teenagers opens the door to their future success by giving them the ability to study and learn. Fully illustrated   for easy understanding. Learning How to Learn: $40 The basics of effe www.ks5u.comctive study for 8 to 12-year-olds, fully illustrated. Children who read and apply the materials in this book regain their liking for study and their ability to apply this knowledge in life. Get this book for a child you want to see win at his studies! Buy it before May 1, 2005, and you'll just pay half less. How to Use a Dictionary Picture Book for Children: $40 In spite of billions of dollars spent on "educational research", children are not taught the most basic skills of learning, even the most basic of these: how to use a dictionary. Written for children from 8 to 12-year-olds, this fully illustrated book will teach your child: How to find words in a dictionary The different ways that words are used What the different marks and symbols that are used in a dictionary mean How to use a dictionary to correctly pronounce words It includes a section for parents and teachers showing you how to use this book with children. Buy this book and give it to your children to unlock their education. What's more, you'll just pay 50% for it before May 1, 2005. Some of the four books were illustrated in order to  _  .
A. help readers understand them better
B. persuade more readers to buy them
C. reduce the cost of them
D. make them suitable for different readers
Answer: