U.S. federal trademark · Serial No. 79324334
This is an educational series of books about fitness the title: "the bro science bible" refers to the whole series which will consist of at least three books only the series name "the bro science bible" needs to be trademarked (terms considered too vague by the International Bureau - Rule 13 (2) (b) of the Common Regulations)
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.