stylebook
/ˈstaɪlbuk/Definitions
1. noun
A book that outlines the style guidelines for a publication, such as a newspaper or magazine.
“The editor consulted the stylebook to ensure consistency in the article’s formatting.”
2. noun
A book that outlines a particular style or set of practices, such as a fashion stylebook.
“The fashion designer’s stylebook showcased her latest collection of evening gowns.”