Fresh from the success of his bestselling Oprah pick, The Measure of a Man, Sidney Poitier has signed with HarperOne for Life Beyond Measure: Letters to My Great-Granddaughter. The tentatively titled new book will, like Poitier’s memoir, offer a collection of anecdotes and advice, this time in the form of a series of letters. HarperCollins CEO Jane Friedman negotiated the deal, buying world rights from Mort Janklow, of Janklow and Nesbit. The title is slated to be released on Father’s Day 2008.