Before John Glenn orbited the Earth or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as "human computers" used pencils, slide rules, and adding machines to calculate the numbers that would launch rockets and astronauts into space. Among these problem solvers were a group of exceptionally talented African American women, some of the brightest minds of their generation.

When a terrible drought struck William Kamkwamba's tiny village in Malawi, his family lost all of the season's crops, leaving them with nothing to eat and nothing to sell. William began to explore science books in his village library, looking for a solution. There, he came up with the idea that would change his family's life forever: he could build a windmill. Made out of scrap metal and old bicycle parts, William's windmill brought electricity to his home and helped his family pump the water they needed to farm the land.

At the age of 22, Jennifer Worth left her comfortable home to move into a convent and become a midwife in postwar London’s East End slums. The colorful characters she met while delivering babies all over London - from the plucky, warm-hearted nuns with whom she lived to the woman with 24 children who couldn't speak English to the prostitutes and dockers of the city’s seedier side - illuminate a fascinating time in history.

Recruited by the US Army and Navy from small towns and elite colleges, more than 10,000 women served as codebreakers during World War II. Their efforts shortened the war, saved countless lives, and gave them access to careers previously denied to them. A strict vow of secrecy nearly erased their efforts from history; now, through dazzling research and interviews with surviving code girls, best-selling author Liza Mundy brings to life this riveting and vital story of American courage, service, and scientific accomplishment.

In 1985 southern Sudan is ravaged by war. Rebels and government forces battle for control, with ordinary people…people like the boy, Salva Dut…caught in the middle. When Salva's village is attacked, he must embark on a harrowing journey that will propel him through horror and heartbreak, across a harsh desert, and into a strange new life. Years later, in contemporary South Sudan, a girl named Nya must walk eight hours a day to fetch water. The walk is grueling, but there is unexpected hope.

Raised in South Carolina and New York, Woodson always felt halfway home in each place. In vivid poems, she shares what it was like to grow up as an African American in the 1960s and 1970s, living with the remnants of Jim Crow and her growing awareness of the Civil Rights movement. Touching and powerful, each poem is both accessible and emotionally charged, each line a glimpse into a child's soul as she searches for her place in the world.

When the Taliban took control of the Swat Valley in Pakistan, one girl spoke out. Malala Yousafzai refused to be silenced and fought for her right to an education. On Tuesday, October 9, 2012, when she was fifteen, she almost paid the ultimate price. She was shot in the head at point-blank range while riding the bus home from school, and few expected her to survive. Instead, Malala's miraculous recovery has taken her on an extraordinary journey from a remote valley in northern Pakistan to the halls of the United Nations in New York.

December is the time of the annual Ceremony at which each twelve-year-old receives a life assignment determined by the Elders. Jonas watches his friend Fiona named Caretaker of the Old and his cheerful pal Asher labeled the Assistant Director of Recreation. But Jonas has been chosen for something special. When his selection leads him to an unnamed man, the man called only the Giver, he begins to sense the dark secrets that underlie the fragile perfection of his world.

Ponyboy can count on his brothers. And on his friends. But not on much else besides trouble with the Socs, a vicious gang of rich kids whose idea of a good time is beating up "greasers" like Ponyboy. At least he knows what to expect, until the night someone takes things too far.

Harper Lee’s Pulitzer prize-winning masterwork of honor and injustice in the deep south - and the heroism of one man in the face of blind and violent hatred, available now for the first time as a digital audiobook. One of the best-loved stories of all time, To Kill a Mockingbird has been translated into more than 40 languages, sold more than 30 million copies worldwide, served as the basis for an enormously popular motion picture, and was voted one of the best novels of the 20th century by librarians across the country.

New York Times best-selling author Gordon Korman harkens back to his No More Dead Dogs days in this stand-alone that takes a tone more serious than you've ever heard from him before. A boy who's been a bully and hanging out with the wrong friends gets a new start after a memory-loss-inducing accident. But can someone really change who he is, or will the old him merely come back over time?

Sometimes heartbreaking, sometimes deeply joyous, The House on Mango Street tells the story of Esperanza Cordero, whose neighborhood is one of harsh realities and harsh beauty. Esperanza doesn't want to belong, not to her rundown neighborhood, and not to the low expectations the world has for her. Esperanza's story is that of a young girl coming into her power, and inventing for herself what she will become.

When 10-year-old Winnie Foster stumbles upon the Tuck family's disturbing secret, she is forced to come to terms with her conflicting emotions. She feels drawn to the loving, gentle, and rather eccentric Tucks, but what they tell her is too incredible to be believed. Doomed to, or blessed with, eternal life after drinking from a magic spring, the Tuck family tries to make Winnie understand that the terrible magic of the forest spring can never be revealed.

Avi’s swashbuckling tale of murder and mutiny on the high seas has a fascinating twist: the heroine is a 13-year-old girl. In 1832, Charlotte Doyle boards a ship bound for America and is caught in a battle between a mad captain and his ruthless crew. If you’re looking for an action-packed adventure story for girls, you’ll find it in The True Confessions of Charlotte Doyle.

In her own award-winning style, Sharon Creech intricately weaves together two tales, one funny, one bittersweet, to create a heartwarming, compelling, and utterly moving story of love, loss, and the complexity of human emotion.