Pilar Valero

Pilar Valero is the author of "Hola Mundo 2 - Student Print Edition Plus 1 Year Online Premium Access (all Digital Included) + Hola Amigos 1 Year", "Hola Mundo Starter - Activity Book", "Hola, Mundo!, Hola, Amigos! Level 1" and "Hola Mundo Starter - Teacher Print...