A Severe Mercy is an autobiographical book by Sheldon Vanauken, relating the author's relationship with his wife, their friendship with C. S. Lewis, conversion to Christianity, and subsequent tragedy.

The couple pledged always to put their love before all else, and the intensity of their devotion to one another and their exclusivity makes up the early chapters.

[citation needed] However, his first published work was a small booklet called "Encounter with Light", written about 1960 and available only from Wheaton College in Illinois today.

[2] A Severe Mercy won a Gold Medallion Award from the Evangelical Christian Publishers Association in 1977.

In May 2013, Origin Entertainment purchased the rights to begin development on the screenplay by Barbara Nicolosi (Fatima (2020)) with plans of taking the film into production in 2021 .