The Cradle of the Christ is a book by Octavius Brooks Frothingham. Frothingham was an American priest and author, here providing the reader with a detailed study in primitive Christianity. Excerpt: "The period of the captivity in Babylon, which is commonly regarded as a period of sadness and desolation, a blank space of interruption in the nation's life, was, in reality, a period of intense mental activity; probably the highest spiritual moment in the history of the people. Dispossessed of their own territory, relieved of the burden and freed from the distraction of politics, their disintegrating tribal feuds terminated by foreign conquest, living, as unoppressed exiles, in one of the world's greatest cities, with opportunities for observation and reflection never enjoyed before, having unbroken leisure in the midst of material and intellectual opulence, the true children of Israel devoted themselves to the task of rebuilding spiritually the state that had been politically overthrown. The writings that reflect this period, particularly the later portions of Isaiah, exhibit the soul of the nation in proud resistance against the unbelief, the disloyalty, the worldliness, that were demoralizing the less noble part of their countrymen."

Carl Sommer presents a popular study of the faith and life of the early Christians in the first two centuries after Christ. Using documentary evidence and archaeological records, Sommers reconstructs the lives of the early Christians in order to "introduce the treasures of early Christianity to a large number of modern readers". By studying how the early Christians believed and lived, we can learn many valuable lessons on what to avoid and what to strive for today. The Roman world had many facets that are strikingly similar to elements of modern life. Sommer's aim is to help the reader learn how to transform modern culture with the power of the Gospel as was first done in the centuries of the early Church.