<B>The world's richest man faces the galaxy's deadliest threat! E</B>veryone's favourite billionaire makes his pulse-pounding debut in this rip-roaring sci-fi adventure, from the bestselling author of <I>The Secret Diary of Boris Johnson Aged 13¼.</I><BR/><BR/> When an ALIEN ARMADA menaces our planet, Earth's governments and armed forces find themselves powerless to resist. In desperation, humanity turns to one man: billionaire, futurist and Twitter addict ELON MUSK.<BR/>  <BR/> Elon has long styled himself as the real-life Tony Stark, but can everyone's favourite genius step up and become a hero? Or is he just an egotistical man-child whose only actual talent is self-promotion? Whatever happens, us non-plutocrats are in for a wild ride!<BR/><BR/> Board the <B>electric space vehicle ICARUS 1</B> with Elon, <B>alien princess Grimes</B> and <B>arch-rival Jeff Bezos</B>, as the <B>oldest man alive, President Joe Biden</B>, tasks th