Life Michelle Obama’s ‘Becoming’ is USA TODAY’s No. 1 book of 2018. See the others in top 100 January 5, 2019Christopher Schnaars and Mary Cadden, USA TODAYComments Off on Michelle Obama’s ‘Becoming’ is USA TODAY’s No. 1 book of 2018. See the others in top 100 'Becoming,' which took the world by storm only 7 weeks ago, is the year's No. 1 book on USA TODAY's top 100 books of 2018. The best sellers are determined by data from USA TODAY's Best-Selling Books list.