The book will be fair, says Walker, in spite of its title: Dr. Phil Needs His Head Examined.

FORBES: Daytime Television

At the same time, Walker is working on a book that's expected to be published this fall about the union fight.

WSJ: Wis. governor to court Iowans, stoke 2016 talk

That same year a South Carolina singing instructor named William Walker published a widely popular hymn book combining the now-familiar tune with Newton's words.

NPR: 'Amazing Grace'

Ms. WALKER: ...my favorite book of mine.

NPR: Walker's 'The Color Purple' Opens on Broadway

Researchers are planning a new book, and a series of events, to commemorate the centenary of the death of Mary Lily Walker.

BBC: Remembering Dundee's 'forgotten heroine'