My Cross to Bear Gregg Allman   Barbara's Bestsellers in Boston is proud to present Gregg Allman of the Allman Brother's Band for a rare appearance and book signing. Gregg will sign copies of his new biography, 'My Cross to Bear'. the fine print: Gregg will only sign copies of his new book that were purchased at Barbara's Bestsellers Boston. He will not sign anything else. Please do not bring memorabilia, CDs and/or record albums as you will not be admitted. No photos. As time permits.