The Halton Hills Public Library's One Book, One Halton Hills program began in 2011 as a way to encourage reading throughout the community. The aim of the program is to have everyone read the same book once each year, creating a town-wide book club.

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The Library also offers programs to complement the theme of each year's book selection, including an evening with the author. Over the years, the One Book, One Halton Hills program has helped introduce the community to new books and bestselling novels, and the Library has welcomed a diverse range of respected Canadian authors.