The book answers, in easy-to-understand language, the intriguing question about how airplanes succeed in flying through the air like birds. It includes a brief history of aviation from the first hot-air balloon in 1783 through the Wright brothers then focuses on explaining the various parts of a plane that enable a pilot to control it and keep it airborne.

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
• corresponding Benchmark Quick Check

Benchmark books do not have a lesson plan or worksheets.

Additional Resources
ReadingA-Z.com Printable and Projectable Book