Transcriber’s Note:

Obvious mis-spellings and printing errors have beencorrected and noted by the use of a faintgrey dotted line.

Missing periods at paragraph-end have silently beensupplied. Inconsistencies in hyphenation and accentuationhave been retained.

The romanization of Arabic is the author’s.

The cover image has been digitally edited to repair damages and to restore colors;the author and title was superimposed for the reader’s convenience.