Agnosticism
Popular Agnosticism Textbooks
Agnosticism: A Very Short Introduction
by Robin Le Poidevin - ISBN 9780199575268
A Comprehensive Look on Agnosticism
by Karl S. Moretti - ISBN 9798385733408
The Portable Atheist: Essential Readings for the Nonbeliever
by Christopher Hitchens - ISBN 9780306816086
Waiting: A Nonbeliever's Higher Power
by Marya Hornbacher - ISBN 9781592858255
Atheism and Agnosticism (Elements in the Philosophy of Religion)
by Graham Oppy - ISBN 9781108454728
The Struggles of a Born-Again Agnostic
by Dalton F Esq Phillips - ISBN 9798885274159