Stylebooks are books that give rules for writing, like how to spell words or where to put commas.
Stylebooks are helpful for people who want to write correctly.
Examples:
I always check the stylebook for the right way to write words.
The stylebook says to put a comma before the word 'but'.
She follows the stylebook to write her stories.
The stylebook is like a boss for writing.
The stylebook has all the rules for writing, like a big boss.
I use the stylebook to help me write my letters.