Questions to ask about a book:
Published books go through an editorial process, however not all are peer-reviewed. Some publishers are well-known for providing well researched books, which are highly recommended by researchers, scholars, & librarians. The lists provided here are not an exhaustive list.
University Presses – Affiliated with universities & highly recommended by researchers, scholars, & librarians
Commercial Presses – Profit is a part of their business model, but they do strive to print well researched books
Professional or Trade Associations, Institution, or Research Center Publications
Government Publications – published with taxpayer money, accepted as impartial or unbiased
Vanity Publishers – self publishers, author pays for publication