Sally Ride was the first American female astronaut to go to space. She worked on a space shuttle for two different missions. But Sally Ride did more than just travel to space. She also was a teacher, an author, and a scientist. Learn more about her amazing life in this new level 3 biography!,--page  of cover.
Did you know that every time you watch a baseball game, you are watching some great examples of physics in action? Why exactly does the amount of spin on a pitch determine how far a ball can be hit? And what's the scientific reason that using pine tar on the bat makes it easier to grip? Learn all about the science behind America's favorite pastime in this fact-fil led Level 3 Ready-to-Read!