Je was op zoek naar: tu buscas su libro constantemente (Spaans - Engels)

su libro
their book

[ su libro:
[ his book: charango method ]

en su libro […]
in their recently published e-book “origami, la base molino” –origami the […]

juan lee su libro
john reads the book

dobla su libro.
fold his book.

pero su libro dice:
but their book says:

de su libro conmemorativo.
presentation of a commemorative book.

acerca de su libro:
about her book:

detalles en su libro.)
details in his book.)

tu buscas algo especial?
i'm not looking for anything special, because your question

en su libro, “the land […]
in his book, “the land of open graves,” the scholar […]

su libro: método de charango
his book: charango method

en su libro "dhaka fragmentado.
in her book "fragmented dhaka.

ellas están leyendo su libro.
they are reading her book.

¿podría tomar su libro prestado?
would you be so kind as to lend me your book?

su libro: http://drjoye.com/books.html
see: http://jimhumble.biz/ for info on mms.

= en el tren se leen libros constantemente.
= books are (being) read on the train.

busca objetos en su ubicación usual, por ej., halla su libro favorito en el estante
searches for objects in their usual location, e.g., finds their favorite book on the bookshelf

y su libre.
and its free.

k tu busca por aki
aki