The Maze of Bones by Rick Riordan

The Maze of Bones is Book One of The 39 Clues series.  (Though this book is by Rick Riordan, I understand that the books are by different authors.)  My niece mentioned that she was reading the most recent volume in the series, so I thought I’d check it out.  I can see why kids from about ten to thirteen would enjoy the books, but I wouldn’t recommend them to adults.  From The Maze of Bones, young readers can learn a lot about Benjamin Franklin.  Based on the ending, I’d guess that in the next book they’ll learn about Mozart.