Title: Viking Ships at sunrise. Author: Mary Pope Osborne Have you ever been to Ireland? In this Magic Tree House Jack and Annie found a tree house in the woods. Jack is a smart kid that takes care of his little sister, Annie is curious and loves adventure. Jack and Annie traveled to ancient Ireland. They meet viking and monks who showed them what it was like back then. What will they see and learn on this adventure? This is great book! One reason why I like this book is they go on adventures. They travel to many different places. I also like this book because I learn new things.