The bestselling, fan-favorite chapter-book series sends Jack and Annie to Ireland--the land of leprechauns! Jack and Annie are whisked back to long-ago Ireland. Their mission? To inspire a girl named Augusta to share her creativity with the world. But when they meet Augusta, Jack and Annie don't see how they can inspire her at all--she is the least imaginative person they've ever met! Luckily, Jack and Annie have a special whistle that they can use to show Augusta a magical world. But their plan backfires! Can Jack and Annie rescue their new friend? Or will Augusta be lost forever? Magic Tree House books are New York Times bestsellers. The series' irresistible mix of magic, myth, history, and mystery has inspired a love of reading in countless children all over the world. Find out why with Leprechaun in Late Winter! The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie are on a mission to find (and inspire!) creative people. This time, Jack and Annie meet an Irish girl and go on a magical adventure that changes the girl's life-she grows up to be Lady Gregory, who helped bring back the Irish legends, started a theater, and helped the Irish people regain both their heritage and their pride. Formerly numbered as Magic Tree House #43, the title of this book is now Magic Tree House Merlin Mission #15- Leprechaun in Late Winter. 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