It is a command to tell several people to read/look at a book.
el libro
Since you are lacking punctuation, it is a little hard. "Sí, tengo el libro" would mean 'yes, I have the book' "Si tengo el libro" would mean 'If I have the book...." Not only that, but "la libro" needs to be "el libro" because Libro is a masculine noun.
it means book
El libro de mi amigo is "my friend's book" in English.
Close your book
It Means "Which IS the Book"
It means "open the book"
"Hay palabras en el libro" means "There are words in the book" in Spanish.
how much does the book cost?
It means "the book is red."
El Libro Oculto was created in 1993.
'"The Book" in Spanish is "el libro". "The book is black" would be "El libro es negro".