An early text on political Islam written by one of its most important ideologues. Also contains accounts of some early attempts of his party to Islamize Pakistan. Available for free online. The guy who wrote the preface tried very hard to convince reader that Maududi was the next Iqbal. imho althoug...
A concise introduction of conservative Islam. not interesting if you're interested in the author's own ideas. Available for free, don't pay for it unless you want to financially support tyranny.