A Rage in Harlem (Harlem Detectives Series Book 1) by Chester Himes:
The driver got the idea. He twisted his head and gave the nun a toothy grin. “Yas’m, four and twenty olders. Which one of them olders going to get here first, you reckon?”
“Four of the elders will lead the twenty,” Goldy said.
The driver resolved to put five bucks on four twenty in each of Harlem’s four big books before noon that day as sure as his name was Beau Diddley.