Jack and Annie look at knights, armor, and life in a castle.

Presents current information, photographs, and facts on pirate flags, pirate treasure, and walking the plank, and offers profiles of modern pirates.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better.
Track the facts with Jack and Annie!
 
When Jack and Annie got back from their adventure in Magic Tree House #8: Midnight on the Moon, they had lots of questions. How did the universe begin? How long does it take to get to the moon?...

Describes the changing nature of weather and how meteorologists predict and study such storms as tornadoes, hurricanes, and blizzards.

Annie and Jack present information about ancient Greece and the athletic events known as the Olympic games that were held there.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better.  Track the facts with Jack and Annie!!
 
When Jack and Annie got back from their adventure in Magic Tree House #7: Sunset of the Sabertooth, they had lots of questions. What was it like to live in the Ice Age? How did early humans...

What was it like to be a gladiator? How many people died in the destruction of Pompeii? How did Roman children spend their days? Find out the answers to these questions and more in Magic Tree House Research Guide: Ancient Rome and Pompeii. This is the nonfiction companion to Vacation Under the Volcano (Magic Tree House #13).

How do penguins survive in frigid conditions? What happens at a research station in Antarctica? How long can an emperor penguin go without food? What other creatures live in the Antarctic? Find out the answers to these questions and more in the Magic Tree House Research Guide: Penguins and Antarctica.

A guide to ghosts discusses the history of human belief in them, famous hauntings in the United States and Great Britain, and some possible alternative explanations for them.

Introduces readers to the lives of children in the orphanages, work houses, and wealthy homes of Victorian England, in a tribute that reveals some of the inspirations for Charles Dickens' classic works.

Presents a non-fiction companion to the book "Abe Lincoln At Last!," discussing what it was like to grow up in a log cabin and what Lincoln's family life was like, and describes how he became the sixteenth president of the United States.

Presents a nonfiction companion book to "Stallion by Starlight," discussing the history of domesticating horses and explaining why Alexander the Great's horse was so famous.

"A nonfiction companion to Magic Tree House #52: Soccer on Sunday"--

Track the facts with Jack and Annie! When Jack and Annie came back from their adventure in Magic Tree House(R) #14: "Day of the Dragon King, " they had lots of questions. Who was the Dragon King? How did he build the Great Wall? What is Chinese New Year? What are some other Chinese traditions? Find out the answers to these questions and more as Jack and Annie track the facts about Chinese history and culture.

Introduces the Vikings, discussing why they went on raids, what they wore, what their ships were like, and how they shaped history.

Returning from their adventures in Night of the Nine Dragons, Jack and Annie track the facts about favorite creatures from myth and legend, including dragons, mermaids and unicorns.