Librería Samer Atenea
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Librería Kolima (Madrid)
Librería Proteo (Málaga)
Follow Jack and his friends as they discover a mysterious adventure!
The summer holidays have started in Delhi when a volcanic eruption on a small island named Teri attracts a young boy named Jack. But while exploring the island Jack stumbles across a mysterious scrabble board. What was that doing there? How did it survive the volcanic eruption? And lastly, why did it open a hole to an underground lair??
Read to find out!!