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! Visit MagicTreeHouse.com.

MARY POPE OSBORNE is the author of the New York Times number one bestselling Magic Tree House series. She and her husband, writer Will Osborne (author of Magic Tree House: The Musical), live in northwestern Connecticut with their three dogs. Ms. Osborne is also the coauthor of the companion Magic Tree House Fact Trackers series with Will, and with her sister, Natalie Pope Boyce.SAL MURDOCCA has illustrated more than 200 children's trade and text books. He is also a librettist for children's opera, a video artist, an avid runner, hiker, and bicyclist, and a teacher of children's illustration at the Parsons School of Design. Sal lives and works in New York with his wife, Nancy.