" C]ognitive enhancement's return on investment ...] happens to be the motivation for "The Roving Mind." There is a long tradition of improving one's mental function yet only in the latter half of the 20th century have the effects risen and the investment-time, risk, effort, and capital-decreased to such an extent that certain aspects of cognitive enhancement have become a worthwhile pursuit."
"The Roving Mind: A Modern Approach to Cognitive Enhancement" is a guide to improving human intelligence. Detailing various methods from ancient Roman mnemonic techniques to scheduled pharmaceutical substances to brain-machine interfaces, Mr. Simola has produced a convincing treatise on the timely topic of cognitive enhancement.