Buy INSIGHT at any of these online retailers

USA

Amazon
Barnes and Noble
Google Play
Hudson Booksellers
Books-A-Million
iBooks
IndieBound
Powell's
Target
Walmart
Audible.com Audiobook

U.K.

Amazon
Waterstones

Russia

Mann-Ivanov-Ferber

South Korea

Just Books

Coming in Fall 2018

Spain
Taiwan

Coming in 2019

Japan
China
Arabic Version