Accelerated Reader™ levels are used to determine the appropriateness (Interest Level score) and text difficulty (Book Level score) for a book. You can learn more about Accelerated Reader in NoveList Help. Click the Help link in the top right corner of the NoveList screen, then select "Accelerated Reader" (under the Viewing Results section).
To access resources with tips on searching by Lexile and Accelerated Reader, select the "Find books by grade or Lexile" link from the "How Do I?" drop-down in the top toolbar of NoveList.