Martina Navratilova and Chris Evert come from completely different places and play tennis in completely different ways. Chrissie is the all-American girl: practiced, poised, with perfect technique. Martina hails from Czechoslovakia, a Communist country, and her game is ruled by emotion. Everything about them is different, except one thing: they both want to be the best. But as their intense rivalry grows, something else begins to swing into place, and a friendship forms that will outlast all their tennis victories. Phil Bildner and Brett Helquist tell the engaging true story of these two masters of the court as they win title after title and, most importantly, the hearts of the fans."

    She knew it was wrong that people thought women could only be teachers or nurses--as wrong as 10-5=3. And she proved everyone wrong by zooming ahead of her classmates, starting college at fifteen, and eventually joining NASA, where her calculations helped pioneer America's first manned flight into space, its first manned orbit of Earth, and the world's first trip to the moon!Award-winning author Suzanne Slade and debut artist Veronica Miller Jamison tell the story of a NASA "computer" in this smartly written, charmingly illustrated biography.

    Her father only wanted sons, so Sarah pretended to be one. Unlike most kids, though, Sarah never really stopped pretending. In 1861, during the U.S. Civil War, Sarah pretended her way into the Union Army, becoming a male nurse named Frank Thompson. Being a nurse didn't quite satisfy Frank, though. She wanted to keep her fellow soldiers from getting hurt. So when the Union Army needed a spy, she leapt at the chance. While still pretending to be Frank, Sarah also pretended to be a male African American slave, a female Irish peddler, and a female African American laundress. She slipped behind enemy lines time after time, spied on the Confederate Army, and brought back valuable intelligence to the Union. Sarah was not only good at pretending; she was also very brave. Later in life, Sarah Emma Edmonds wrote a book to tell her story. She explained, I am naturally fond of adventure, a little ambitious, and a good deal romantic. She was also truly a great pretender.

    They can be big, like a whale, tiny, like a shrimp, and even scary, like a shark.Even though sharks can be scary, we need them to keep the oceans healthy. Unfortunately, due to overfishing, many shark species are in danger of extinction, and that can cause big problems in the oceans and even on land.What would happen if this continued and sharks disappeared completely?Artist Lily Williams explores how the disappearance would affect other animals across the whole planet in this clever book about the importance of keeping sharks, and our oceans, healthy.