The title of this singular work is translated as Imaginary of words and the subtitle reads as follows: Illustrating the beauty of the Basque language. A peculiar book structured as if it were a dictionary that presents thirty words, thirty selected terms together with an illustration and a brief text where some philological or historical precision is provided about that word, an anecdote or curiosity together with a reflection in a tone of humour or of a philosophical nature. A hybrid book suitable both for telling and sharing and for activating the interest in the richness that a language contains. A good proposal to broaden the view on the origin of words, investigate their roots and discover new data.