E.T. the Extra Terrestrial in His Adventures on Earth by William Kotzwinkle adds details not seen in the movie, starting with the fact that E.T. is 10 million years old. And, as a fully developed adult, he of course gets sexually frustrated.
Hey, ever notice that E.T. has no junk down there? Wonder where -- oh dear God.
We're confident that this is a prime example of the author saying, "Eh, they're not going to read this shit anyway," and just seeing what he could get away with. Thus, Kotzwinkle's E.T. is a book rife with references to sexuality -- everything from Elliott's mother fearing her children's burgeoning sexual maturity to the totally unnecessary and disturbing detail that Elliott's former principal had been "a sexual offender, retired early after several private incidents in the supply closet became public." We are not kidding about any of this.
But the worst part is that E.T. himself is not above being corrupted by this novel -- Kotzwinkle conveys the alien's inner monologue, and guess what -- he has the hots for Elliott's mom. E.T. refers to her as a "goddess, the most beautiful thing he'd ever seen." To be fair, this plotline was filmed for the movie and ultimately cut, but the novel goes into disturbing amounts of detail regarding E.T.'s obsession over Mary, whom he affectionately calls "the willow-creature":