Amazon.com has some interesting e-books on sale this month.
Mysteries: Sidney Chambers and the Shadow of Death (my review here) - $1.99
Classics: Children of Hurín by Tolkien - $1.99, Mary Poppins - $1.99, Honey for a Child's Heart - $2.99
Bios: The Great Good Thing. A Secular Jew Comes to Faith in Christ (reviewed here) and Joni and Ken: An Untold Love Story - $1.99
Marriage: Mingling of Souls by Matt Chandler - $2.99, and Sacred Marriage by Thomas - $1.99