6 - 10 years. Transport your children on an amazing journey with this exciting Magic Tree House Paperback Book Reading and Exploration Set. Your children will love joining Jack and Annie on adventures through time and space. These books are great for connecting fiction with nonfiction texts. Each book is filled with factual information alongside exciting quests. Encourage your children to ask questions about vocabulary words they?re unfamiliar with. Paperback. Set of 8.