The Word in the Heart series is an updated version of the Truth in Life curriculum. The newer series is the same reliable material students were used to in the past presented in a new format. With easier to understand language and more colorful illustrations, this series stands out as a new way for students to learn the Bible. Each teacher and student is urged to use the material in such a way as to cause God's word to be reproduced in the heart of the student. This series is age-appropriate for grades 4-12.