Overviews and Summaries -- detailing each unit’s content for easy to access information

Lesson Objectives -- pinpointing exactly what you should expect to learn in each lesson 

“Terms You Should Know” are included with each Unit, no need to keep referring to the Glossary for terms not yet learned 

Activities and Extended Activities -    test your knowledge and comprehension in every lesson

End-of-Unit and End-of-Lesson Exams -  Easily test your knowledge before progressing to the next subject  

Online Web Support  -- via online web boards, experts help answer specific questions and clarify subject matter