Like Malcolm Gladwell (“The Tipping Point,” “Blink”) and Joshua Foer (“Moonwalking With Einstein”), Mr. Lehrer takes scientific concepts and makes them accessible to the lay reader while dispensing practical insights that verge on self-improvement tips along the way. With these suggestions, his book implies, you too might be able to maximize your creative output.

...

He uncovers clues that lead him to the depths of the Amazon rainforest to drink the powerful hallucinogen Ayahuasca with shamans, whose paintings contain images of "supernatural beings" identical to the animal-human hybrids depicted in prehistoric caves. Hallucinogens such as mescaline also produce visionary encounters with exactly the same beings. Scientists at the cutting edge of consciousness research have begun to consider the possibility that such hallucinations may be real perceptions of other "dimensions." Could the "supernaturals" first depicted in the painted caves be the ancient teachers of mankind?

Not so interested in those. But I didn't read the last one. I'll leave it to someone who did.