Get ready to travel into space. Blast off and find out what it''s like to be an astronaut! Do Astronauts Wear Pants? is at Oxford Reading Level 8. It is for readers aged 7 to 11 years old who are working below expected standard in their reading. The Readerful Rise series ensures that older struggling readers have high-low books with age-appropriate content and topics, that look like the books their peers are enjoying, but are written at a level they can read successfully.