Every summer, Bill Gates releases the top books on his reading list, which include a number of different genres. The billionaire and Microsoft founder claims to tackle roughly one book a week, or around 50 titles a year. We've rounded up five years of Gates' summer reading lists and book reviews. Visit Business Insider's homepage for more stories. Bill Gates loves to read. The billionaire co-founder of Microsoft and chair of the Bill and Melinda Gates Foundation reportedly reads around 50 books a year, and he chronicles his literary adventures on his blog, Gates Notes.