Once upon a time, in New York City in the 1950s, a little boy didn’t like his second-grade music teacher, Charles Walker. So, the boy later boasted, he slugged Mr. Walker, giving him a black eye.

“When that kid was 10,” Walker recalled on his death bed, “even then, he was a ——” Oops, gentle reader, time to move on hurriedly with the life story of Donald J. Trump.

Young Donald took on a newspaper route to learn the value of money, but this was not “Leave It to Beaver”: On rainy days, Donald avoided getting wet by delivering papers while being squired around in the family Cadillac.

There are now more than 20 books out about Trump, and while I can’t claim to have read them all — I am not a masochist! — I have waded through his life story so that you don’t have to. You’re welcome! As a reader service, here are highlights.