The Mental Spark Plug by F.D. Van Amburgh is a self-help book that aims to help readers boost their mental performance and achieve success in their personal and professional lives. The author provides practical advice and techniques for improving focus, memory, creativity, and problem-solving skills. The book also includes exercises and activities to help readers practice and apply the concepts presented. The Mental Spark Plug is a valuable resource for anyone looking to enhance their mental abilities and reach their full potential.1923.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.