Brother and sister Jack and Annie are just regular kids ... that is, until they discover a magic tree house that tranports them back in time. With just the right amount of adventure and a healthy dose of history in every story, your students will love getting whisked away with this brother-sister duo as they embark on their fantastical journeys through time. Whether they're cracking codes in Ancient Greece or dodging a tsunami on the beache of Hawaii, this fact-packed series is perfect for chapter book readers looking for twists and turns on every page and a great jumping-off point for designing and teaching history units along the way. This collection includes both the original series and the Merlin Missions books.