Little Black Book -

: Little Black Book: A Toolkit For Working Women by Otegha Uwagba offers practical guidance on negotiating pay raises, networking, and building a personal brand.

: The phrase dates back to the mid-1400s and was used by King Henry VIII to track those who committed crimes or were considered "sinful". Little Black Book

Several modern works use this title as a branding for essential advice and professional toolkits: : Little Black Book: A Toolkit For Working

: Other versions include My Little Black Book: A Blacktionary , a pocket guide on race and inclusion . 3. Entertainment and Media Little Black Book

: It traditionally represents a collection of secrets, private contacts, or individuals who are "in someone's bad books".