The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Is there really a mysterious, blood-sucking creature called the Chupcabra? Early one morning in 1995, a rancher in Humacao, Puerto Rico, found three of his goats dead. The blood seemed to have been drained from their bodies. As dozens more farm animals were found dead across the island, the fear of the so-called Chupacabra -- the "goat sucker" -- grew. But was a mysterious cryptid really responsible for all of these deaths? And if so, where would it go next? Follow the trail of the Chupacabra in this exciting new title.

The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Is there really a mysterious, blood-sucking creature called the Chupcabra? Early one morning in 1995, a rancher in Humacao, Puerto Rico, found three of his goats dead. The blood seemed to have been drained from their bodies. As dozens more farm animals were found dead across the island, the fear of the so-called Chupacabra -- the "goat sucker" -- grew. But was a mysterious cryptid really responsible for all of these deaths? And if so, where would it go next? Follow the trail of the Chupacabra in this exciting new title.

Who is Neil deGrasse Tyson? A young boy who felt the universe call to him during a grade-school planetarium visit. A teenager who gave lectures on astronomy. One of hte most well-known astrophysicists in the world and the director of the Hayden Planetarium.

Read the story of the Founding Father who inspired the smash Broadway musical. Born in the British West Indies and orphaned as a child, Alexander Hamilton made his way to the American Colonies and studied to become a lawyer. He joined a local militia during the American Revolution, rose to the rank of Major General, and became the chief aide to General George Washington. After the war, he became the first U.S. Secretary of the Treasury. He founded the Bank of New York and The New York Post newspaper. He served as a delegate to the Constitutional Convention and is also celebrated as a co-author of The Federalist Papers, a series of essays that are still used today to interpret the U.S. Constitution. The end of his life became a national scandal when he was shot and killed in a duel with then-Vice President Aaron Burr.

Learn how a Prussian princess grew up to be Russia's longest-ruling female leader! Born in 1729, Princess Sophie of Anhalt-Zerbs was never supposed to come to power. But at age sixteen, she married the heir to the Russian throne. By 1762, Sophie, known now as Catherine, overthrew her immature and incompetent husband, Peter III, to lead the nation. Catherine became the sole ruler of Russia. This exciting Who Was? title explores how Catherine was able to turn Russia into one of the great powers of Europe by expanding its borders, helping improve its educational system, and advocating for the arts. Her three-decade reign is considered the Golden Age of Russia, and she is called Catherine the Great.

Learn how a Prussian princess grew up to be Russia's longest-ruling female leader! Born in 1729, Princess Sophie of Anhalt-Zerbs was never supposed to come to power. But at age sixteen, she married the heir to the Russian throne. By 1762, Sophie, known now as Catherine, overthrew her immature and incompetent husband, Peter III, to lead the nation. Catherine became the sole ruler of Russia. This exciting Who Was? title explores how Catherine was able to turn Russia into one of the great powers of Europe by expanding its borders, helping improve its educational system, and advocating for the arts. Her three-decade reign is considered the Golden Age of Russia, and she is called Catherine the Great.