Hi,
It could well be that the book is long out of print but Ive managed to dig out some information relating (hopefully) to the publisher.
The book you refer to is one of a series of three books under the publishers topic 'viajero rural'
No email addy, no website, but mail contact is;
Susaeta Ediciones S.A.
C/Campezo 13
28022 Madrid
Madrid
Spain
Phone: +34 913 009 100
Hope this helps...
fb