The most complete exposure of Universal Salvation as espoused by Young, Bell, McLaren, and others, is De Young’s book of 2018. With all of its special features (from the Bible, the creeds, church and US history, and reason/logic) there is no other book like it.
Exposing Universalism
A Comprehensive Guide to the Faulty Appeals Made by Universalists Paul Young, Brian McLaren, Rob Bell, and Others Past and Present to Promote a New Kind of Christianity