There has been data ("USMLE Step 1 Lecture Notes 2018: Behavioral Science and Social Sciences (USMLE Prep) - ISBN-13 978-1-5062-2105-2") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Thu Dec 26 06:25:59 2019, so the data displayed here has been removed .