Tena Tena, Pedro.   <br/><br/>
El castillo alfabético / 
Pedro Tena Tena ; [ilustraciones, Juan V. Camuñas]. 
 - Madrid :  Edinumen,   2002. 
 - 59 p.:   il. col.;   20cm. 
<br/><br/><label>ISBN: </label>9788489756687 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language--Grammar.<br/>Spanish language--Problems, exercises, etc.<br/>Spanish language--Study and teaching
<br/><br/><label>Subjects--Index Terms: </label>Lengua española -- Lecturas.