human
What are some good books for someone learning to speak Spanish?
assistant
1.  'El libro de la lengua española' (The Book of the Spanish Language) by 
2.  'El libro del idioma español' (The Book of the Spanish Language) by 
 3.  'El manual de conversación en español' (The Manual of Conversation in Spanish) by 
 4.  'El libro de los verbos y sus formas' (The Book of Verbs and Their Forms) by