Ellen Gould White (1827 - 1915) was a prolific Christian writer, authoring 40 books in her lifetime. She was active in the Millerite movement, and was one of the principle founders of the Seventh Day Adventist Church.
Steps to Christ, first published in 1892, is her most popular book. It has been translated into more than 70 languages. The theme of the book is how to come to know Christ better. (Summary by Donald Hines)