When a town whose economy is based on selling facts is taken over by the Facttracker's twin, Ersatz, quickly-spreading lies begin changing the world, and a "just small enough boy" must reach the seed of truth before the changes become permanent.

Jack and Annie’s biggest, most exciting book of facts is their greatest adventure outside the tree house! Jack and Annie have been all over the world in their adventures in the magic tree house. And they’ve learned lots of incredible facts along the way. Now they want to share them with you! Get ready for a collection of the coolest, weirdest, funniest, grossest, most all-around amazing facts Jack and Annie have ever encountered. With full-color photographs and fun comments from Jack and Annie, this is the essential fact book for all Magic Tree House fans.

Learn the true story of Thanksgiving with the #1 bestselling chapter book series of all time, Magic Tree House! Track the facts with Jack and Annie in this nonfiction companion to Magic Tree House #27: Thanksgiving on Thursday! When Jack and Annie got back from their adventure in Magic Tree House #27: Thanksgiving on Thursday, they had lots of questions. What was it like to sail on the Mayflower? Why did the Pilgrims choose Plymouth? How did they survive in their new home? What did they really eat at the first Thanksgiving? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures. And teachers can use Fact Trackers alongside their Magic Tree House fiction companions to meet common core text pairing needs. Did you know that there's a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

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 Merlin Mission #19: Abe Lincoln at Last!, they had lots of questions. What was it like to grow up in a log cabin? How did Lincoln become president? What was his family like? Why did the US fight the Civil War? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures. And teachers can use Fact Trackers alongside their Magic Tree House fiction companions to meet common core text pairing needs. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

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 Merlin Mission #23: High Time for Heroes, they had lots of questions. How did Florence Nightingale change nursing? Who helped women get the vote? What was Martin Luther King, Jr.'s, dream? How did Gandhi change the world? Find out the answers to these questions and more as Jack and Annie track the facts behind six amazing people who have changed history. Includes Florence Nightingale, Martin Luther King, Jr., Gandhi, Harriet Tubman, Susan B. Anthony, and John Muir. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures. And teachers can use Fact Trackers alongside their Magic Tree House fiction companions to meet common core text pairing needs. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

When Jack and Annie got back from their adventure in Magic Tree House: Dinosaurs Before Dark; they had lots of questions. When did the dinosaurs live? What other animals lived at that time? Which dinosaur was biggest? How do we know about dinosaurs?

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 Merlin Mission #20: A Perfect Time for Pandas they had lots of questions. What do pandas eat? Where do they live? Why are snow leopards so scarce? How can we help? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures. And teachers can use Fact Trackers alongside their Magic Tree House fiction companions to meet common core text pairing needs. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

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 Merlin Mission #11: Dark Day in the Deep Sea, they had lots of questions. How big is a giant squid? What is a dragonfish? How do deep-sea creatures find food when it’s so dark down there? What do scientists think mythical sea monsters might really be? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures. And teachers can use Fact Trackers alongside their Magic Tree House fiction companions to meet common core text pairing needs. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

Annie and Jack present information about ancient Greece and the athletic events known as the Olympic games that were held there. Annotation. What was it like to live in ancient Greece? What gods and goddesses did Greeks believe in? How did the Olympics start? What was the winner's prize? Find out the answers to these questions and many more in this Magic Tree House Research Guide. Includes fun facts from Jack and Annie, fantastic photos and illustrations, and a guide to doing further research!

Explores the history of the steamship Titanic, from Thomas Andrews' plans for "the safest ship on the ocean" to the lingering questions concerning its disastrous maiden voyage in 1912.