The first two entries below will take you to organized FAQs and a Master Directory of references on UBI. Subsequent references are to a few other key reading and viewing suggestions.
Santens, Scott. "A Guide to Basic Income: Frequently Asked Questions About UBI: Unconditional Basic Income 101". An internationally recognized leading U.S. advocate and writer on UBI answers well-organized questions. Start here!
UBI Master Directory
Robinson, Peter Rodes et al. UBI Master Directory. Directory to much that is known and discussed about UBI. A well-organized bibliography. Its goal is to provide a link to every significant article, book, or resource on UBI on the web in a logical and organized framework. Currently in the form of a Google Doc document with 26 sections covering key topics.
Van Parijs, Philippe and Yannick Vanderborght (2017). Basic Income: A Radical Proposal for a Free Society and a Sane Economy. Cambridge, Massachusetts: Harvard University Press. See also a seminar at Stanford University: https://ethicsinsociety.stanford.edu/events/basic-income-radical-proposal-free-society-and-sane-economy (video. 1h35m57s). A key book by one of the founders of the Basic Income Earth Network (BIEN) and a co-author.