The Mark Lee Masters Collection Vol. I starts out with the murder mystery, Who's Got a Taste for Killing?. Although it is one of Mark's shorter books, some consider it his best. An author's first book always has a special place in his heart. The next book, Mary Thresher In Search of Sunken Treasures has the most complex plot, and is one of two books which the author considers to be his best. Dr. Exeeto was written in only six weeks. It is intense and inspired. Dr. Exeeto is a slightly mad scientist who attacks the world in order to save it. His main goal is to prevent the destruction of the gene pool of animals and humans. He created his own version of Noah's ark, and then attacked the world's civilizations which he blamed for the eminent destruction of life as we know it. Dr. Exeeto is possibly Mark's favorite creation. Next came Mirth, which is a sequel to Dr. Exeeto. Mirth explains what happened on Mars after most of the earth was destroyed. The Collection ends with Mark's autobiography, which includes a stirring tale about his Grandpa Bosler, the generous missionary doctor who served in Nigeria in the 1930s and 1940s.