Txano y Óscar 2 - Operación Sabueso: Libros de aventuras y misterio para niños (7 - 12 años) (Las aventuras de Txano y Óscar)

[DeepL Translation - needs review] Series of illustrated children's books of adventure and mystery. For boys and girls from 7 years old. Txano and Oscar are twin brothers who live in Twin City. In their first adventure they come across a strange green meteorite that changes their lives forever. From that moment on and together with their friends, they dedicate themselves to live adventures and solve those mysteries that cross their path. Available in paper and digital.

(Translator: DeepL)