Mysteries of Flight explains the history of humans' fascination with flying and the science and technology that finally made it possible for humans to take flight.

After reading the Level U books, readers should be able to progress to Level V.

Use the following to assess whether your student's progress indicates he or she is ready to move up a level:

• Level U Benchmark Book
• corresponding Running Record

Benchmark books do not have a lesson plan or worksheets.

Additional Resources
ReadingA-Z.com Printable and Projectable Book