At 800-feet long, the Hindenburg was the largest airship ever built--just slightly smaller than the Titanic! Also of a disastrous end, the zeppelin burst into flame as spectators watched it attempt to land in Lakehurst, New Jersey on May 6, 1937. In under a minute, the Hindenburg was gone, people jumping from windows to escape. However, only 62 of the 97 crew members and passengers onboard survived. The exact cause of the disaster is still unknown and remains a fascinating historical mystery perfect for this series.

Go back 20,000 years ago to a time of much colder global temperatures when glaciers and extensive sheets of ice covered much of our planet. As these sheets traveled, they caused enormous changes in the Earth's landscape and climate, leading to the evolution of creatures such as giant armadillos, saber-toothed cats, and woolly mammoths as well as club-wielding Neanderthals and later the cleverer modern humans. Nico Medina re-creates this harsh ancient world in a vivid and easy-to-read narrative.

"Remember the Alamo " is still a rallying cry more than 175 years after the siege in Texas, where a small band of men held off about two thousand soldiers of the Mexican Army for twelve days. The Alamo was a crucial turning point in the Texas Revolution, and led to the creation of the Republic of Texas. With 80 black-and-white illustrations throughout and a sixteen-page black-and-white photo insert, young readers will relive this famous moment in Texas history.

Born a humble girl in what is now Albania, Agnes Bojaxhiu lived a charitable life. She pledged herself to a religious order at the age of 18 and chose the name Sister Teresa, after the patron saint of missionaries. While teaching in India, where famine and violence had devastated the poor, Teresa shed her habit and walked the streets of Calcutta tending to the needs of the destitute. Her charity work soon expanded internationally, and her name remains synonymous with compassion and devotion to the poor.

From 1892 to 1954, Ellis Island was the gateway to a new life in the United States for millions of immigrants. In later years, the island was deserted, the buildings decaying. Ellis Island was not restored until the 1980s, when Americans from all over the country donated more than $150 million. It opened to the public once again in 1990 as a museum. Learn more about America's history, and perhaps even your own, through the story of one of the most popular landmarks in the country.

Did you know that Bell's amazing invention--the telephone--stemmed from his work on teaching the deaf? Both his mother and wife were deaf. Or, did you know that in later years he refused to have a telephone in his study? Bell's story will fascinate young readers interested in the early history of modern technology

Clarissa "Clara" Barton was a shy girl who grew up to become a teacher, nurse, and humanitarian. At a time when few women worked outside the home, she became the first woman to hold a government job, as a patent clerk in Washington, DC. In 1864, she was appointed "lady in charge" of the hospitals at the front lines of the Union Army, where she became known as the "Angel of the Battlefield." Clara Barton built a career helping others. She went on to found the American Red Cross, one of her greatest accomplishments, and one of the most recognized organizations in the world.