Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions Books in Order
2 books by Mary Pope Osborne. Reading level: Grade 3.5. Lower Grades (Ages 5–8).
Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions (2 books by Mary Pope Osborne) lands at reading level Grade 3.5, with average content intensity 2/5.
The reading-order table below lists every book with per-volume reading level and intensity badges so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.
Content Intensity Across the Series
VariesContent intensity ranges from Gentle to Moderate across the series.
Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions Reading Order
| # | Title | Reading Level | Content |
|---|---|---|---|
| 1 | Buena noche para fantasmas Mary Pope Osborne | Level 3-4 | Moderate |
| 2 | Luz de luna sobre la flauta mágica Unknown | Level 3-4 | Gentle |
All Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions Books
Questions about the Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions series
- What reading level is the Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions series?
- The Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions series by Mary Pope Osborne is at a Grade 3.5 reading level (average Grade 3.5). Intended for Lower Grades (Ages 5–8). There are 2 books in the series.
- What order should I read the Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions books?
- The reading-order table above lists all 2 books with per-volume reading level and intensity ratings. Start with book 1 and read in publication order unless the table indicates a different recommended order for newer readers.
- What age is the Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions series appropriate for?
- The Casa del árbol: Mision Merlin; Magic Tree House; Magic Tree House: Merlin Missions series is recommended for Lower Grades (Ages 5–8). The average content intensity is 2/5. Check the intensity trajectory above to see whether content gets heavier across the series — if it does, sensitive readers may want to stop earlier in the run.