Clean new design for easy readability and comprehension Updated text presented in a lively continuous narrative New centerspread sidebar feature presenting mate... » 

Clean new design for easy readability and comprehension Updated text presented in a lively continuous narrative New centerspread sidebar feature presenting material in a fun creativeway Excellent ageappropriate introduction to curriculumrelevant subjects Important Words glossary clarifies subjectspecific vocabulary Resources section encourages independent study Index makes navigating subject matter easy «