Brain Building: Exercising Yourself Smarter in Hardcover format by Savant, Marilyn Vos. Published by Bantam in 1990. Available in Used - Very Good condition.
Marilyn vos Savant is an American magazine columnist, author, lecturer, and playwright. She was listed as having the highest recorded intelligence quotient (IQ) in the Guinness Book of Records, a competitive category the publication has since retired.
Source: https://en.wikipedia.org/wiki/Marilyn_vos_Savant