Zondervan says the book includes eight individual letters, one addressed to each one of her children, covering a variety of topics.
"Jon & Kate Plus 8" filmed the lives of the Gosselins and their eight children -- twins and sextuplets -- at their home in Wernersville, Pa. Their marriage dissolved, and the show ended last year.
Gosselin is the author of "Multiple Bles8ings" and "Eight Little Faces."