There are some good informative brochures - downloadable in English here:
WORKING IN SPAIN/LOOKING FOR WORK IN SPAIN
http://www.inem.es
OR:
http://www.inem.es/inem/ciudadano/empleo/eures/trabajadores/eures_TRAB02.html
Rob Best Choice Villas sl http://www.bcvillas.com Selling legal property on the Costa Blanca