Incorporating vignettes, interviews, and excerpts from letters, A Drop in the Bucket: The Joys, Sorrows, and Horrors of Medical Missions recounts the selfless acts performed by author and nurse Dolores Edwards with her surgeon husband, Robert. There is such a great call for these medical missionaries' assistance, first in Colombia and later in Iraq, that they cannot fill every need-what they accomplish is just a drop in the bucket. But as they...