JACK AND ANNIE continue their quest for the secrets of happiness—secrets they need to save Merlin. This time, the Magic Tree House takes them to the one continent they haven’t visited before: Antarctica! What can they hope to learn about happiness in such a barren place? Only the penguins know... read more
Jack and Annie go to Antarctica and look for a secret of Happiness for Merlin. They do and give him a baby penguin and he is much happier.
Prologue
1. Smile
2. Lots of Ice
3. Short Grown-ups
4. Happy Campers
5. Lava Bombs
6. All Fall Down
7. The Emperor
8. A Good Story
9. Penny and Merlin
10. The Secret
More Facts About Antarctica
More Facts About Penguins
Preceded by Dark Day in the Deep Sea, and followed by Moonlight on the Magic Flute.
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