J. P. Kristof

title	ISBN-13 (ISBN-10)	year of publication
Find yourself. Find your diet.: sync Diet	978-0-692-42714-9 (0-692-42714-7)	2015
It's not about what you eat. It's about why you eat.: Sync Diet	978-0-692-32704-3 (0-692-32704-5)	2014