This series is about tweens with magical powers. There are 8 books and a movie. My 11 year old loved this whole series and read them over the last few years. They are probably best for ages 7-10 years.

NEW! Upside-Down Magic Book Series (7 Books)

Upside-Down Magic (Upside-Down Magic #1)

Sticks & Stones (Upside-Down Magic #2) (2)

Showing Off (Upside-Down Magic #3) (3)

Dragon Overnight (Upside-Down Magic #4) (4)

Weather or Not (Upside-Down Magic #5) (5)

The Big Shrink (Upside-Down Magic #6)

Hide and Seek (Upside-Down Magic #7) (7)

Night Owl (Upside-Down Magic #8)

Bookshop.org:

1. https://bookshop.org/a/96945/9780545800464
2. https://bookshop.org/a/96945/9780545800501
3. https://bookshop.org/a/96945/9780545800549
4. https://bookshop.org/a/96945/9781338111163
5. https://bookshop.org/a/96945/9781338221480
6. https://bookshop.org/a/96945/9781338221534
7. https://bookshop.org/a/96945/9781338221565
8. https://bookshop.org/a/96945/9781338662177
9. https://bookshop.org/a/96945/9781338671551 – Box Set 1-5

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