Callan Method is a specialized teaching system designed to help students learn Spanish up to four times faster by focusing on intensive guided conversation and immediate correction. Callan Español

No "Mental Translation": Teachers speak at a natural, fast pace to prevent you from translating into your native language.

Conclusión:

Do Not Translate: Try to mimic the sounds and structures directly without converting them to your native language first.

y la corrección inmediata por parte del profesor. El curso de español está estructurado para llevarte desde un nivel principiante hasta un nivel de forma rápida y dinámica. Callan School Barcelona Cómo descargar el PDF y materiales Aunque el material original es propiedad de la Callan Method Organisation

First, the Callan Method is a Spanish learning program designed for children. The user wants a free PDF download of it. But I should check if that's actually possible and legal. I remember that copyright laws apply to educational materials, so distributing a PDF for free might not be allowed. The Callan Method's creators likely hold the rights, so sharing their content without permission could be illegal.