T he Calcium Connection: The Little-Known Enzyme at the Root of Your Cellular Health, by Brunde Broady, a book about teeth health. The No. 1 selling book was The Hill We Climb: An Inaugural Poem for the Country, by Amanda Gorman, whose popularity soared after her performance at President Biden's inauguration event. There were 42,318 copies sold last week. Much of Biden's book focuses on his addiction problems and stories about the Biden family. Biden's overseas business dealing, include those in Ukraine, in part while his father was still vice president, became the focus of intense scrutiny during the 2020 election cycle.