A nice touch about this unbranded textbook is the index, which is easy to navigate.
Statistics For Dummies – Paperback By Rumsey, Deborah J. – GOOD
This unbranded textbook is a good option if you are looking for a secondary text.
An Illustrated Book of Bad Arguments – Hardcover By Almossawi, Ali – GOOD
A nice touch here is that this unbranded textbook includes practice problems at the end of each chapter.

