Antique Books | Mental Efficiency Series | Printed in 1915 | Original Self Help Books

Published by Funk & Wagnalls in the early 1900s, The Mental Efficiency Series was a collection of essays from scholars, teachers, professionals living all over the world.

These 3 titles include:
Common Sense; How To Exercise It
Speech; How To Use It Effectively
Opportunities; How To Make The Most Of Them

They are early self help books that still hold a relevant philosophy for each of the discussed areas. Phenomenal volumes and famous for a lack of tact in their titles.

Features:
• Antique

Condition: Pre-Owned Good

Excellent Condition