The Fantastic Five
Small reading sample:
The quintuplets came out of their tree house. Someone had knocked on the door, but they didn’t see who it was. They looked around and discovered a letter on the ground.
Adventure, Treehouse, Letter, Journey
Juliana, Kayla, Assiatou, Runa und Daniel
Juliana, Kayla, Assiatou und Runa
Luganda, English, Hungarian, Italian, Pulaar, Spanish, Russian