Wikipedia entry on it, which skimming seems to be fair: https://en.wikipedia.org/wiki/Economics_in_One_Lesson https://en.wikipedia.org/wiki/Economics_in_One_Les

Wikipedia entry on it, which skimming seems to be fair: https://en.wikipedia.org/wiki/Economics_in_One_Lesson https://en.wikipedia.org/wiki/Economics_in_One_Lesson and I note it was published in 1946, making it something of a classic. There a links to multiple versions of free on-line copies of it at the bottom.