When I was a kid (Grade school, Elementary, can't remember the exact grade, but it was between 1992 and 1999) I read a book about a kid who found an alien in his cereal. This alien informed him that he was there to defeat an evil threat to Earth, that took the form of the school's most popular student.

The alien came with a gun that did nothing, and the alien in the popular kid disguise had the power to make the kid's fingernails bleed by damaging his nerve endings. In the end, it was revealed that the evil alien had a huge craving for, and vulnerability towards, pizza flakes, and was defeated by gorging himself on them and then exploding.

  • When were you at Elementary school? Jun 20, 2014 at 14:46
  • @Shevliaskovic Yes! Between 1993 and 1999.
    – Zibbobz
    Jun 20, 2014 at 14:48
  • @Shevliaskovic Well...1992. Forgot to factor in that school starts in September and ends in June.
    – Zibbobz
    Jun 20, 2014 at 15:08

1 Answer 1


This appears to be Aliens for Breakfast by Stephanie Spinner and Jonathan Etra. It was published in 1988 and is part of a trilogy including the books Aliens for Breakfast, Aliens for Lunch, and Aliens for Dinner.

book cover

One of the reviews specifically mentions the alien in the cereal and the popular kid being an evil alien in disguise.

When Richard is confronted with a tiny alien named Aric climbing out of his cereal bowl, he doesn't know what to think. But he's even more perplexed and overwhelmed when Aric wants his help to fight the evil Gorf, who is disguised as a popular new kid in Richard's class. What's worse is that there's a very simple way to defeat Gorf, but Aric can't remember it, leaving Richard to fend for himself in the fight against evil with very little but a wisecracking, condescending alien for backup. And if Richard fails, the consequences could be deadly.

Another review mentions a vulnerability to red pepper flakes:

i think i remember liking this book. something about aliens in disguise, and you can kill them with putting red pepper on their pizza

  • Got it on one! I even remember that exact book cover...funny thing about that second review, it wouldn't work. They have to eat it without anything else.
    – Zibbobz
    Jun 20, 2014 at 15:10
  • I think the way they beat them was by boring them to death.
    – Blair
    Jun 20, 2014 at 15:51
  • @Brien That's the second book.
    – TheAsh
    Sep 16, 2018 at 23:24
  • @Zibbobz You probably read it with the weekly-reader cover, as did I.
    – TheAsh
    Sep 16, 2018 at 23:24

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