The Magic Tree House book series consists of approximately 110 books in total, divided into three main series: about 66 fiction books and 44 non-fiction books. These include:
- The original Magic Tree House series with around 38 books aimed at younger readers.
- The Merlin Missions subseries, which has about 27 books designed for slightly older children.
- The Fact Tracker non-fiction companion books that provide educational content related to the fiction stories.
Together, these make up the core Magic Tree House collection, with more books expected to be released in the future
. In summary:
- Main Magic Tree House series: ~38 books
- Merlin Missions series: ~27 books
- Fact Tracker non-fiction: ~44 books
- Total: ~110 books (fiction + non-fiction)
This count excludes some special editions and related stand-alone stories, which can bring the total closer to around 126 books if included
