Plot Summary

Intrigue surrounds the mining of uranium beneath the underwater dome city of Marinia. Jim Eden, expelled from the Sub-Sea Academy on trumped-up charges, seeks out his uncle who disappeared while mining at the bottom of Eden Deep. While looking for clues to his uncle's disappearance, Jim runs into some men who try to stop him.

Reception

Galaxy reviewer Groff Conklin praised the novel's craft, but faulted its espousal of "the petrifying process that military academies put children through" and the "us-against-the-world" attitude it engendered.^[1] Anthony Boucher received it favorably, commending its "vigorous storytelling [and] excellent detailing of the background of a submarine civilization."^[2] P. Schuyler Miller found it "the kind of book that should predispose Captain Video fans to our kind of science fiction."^[3]

Plot Summary

David Craken, a firm believer in the existence of sea serpents, disappears in search of them only to reappear drifting offshore months later. His friend Jim Eden and members of the Sub-Sea Academy retrace David's journey and soon run into the strange creatures that had been only mythical before.

Reception

Galaxy reviewer Floyd C. Gale praised the novel for its "fast and furious" action.^[4]

Plot Summary

Krakatoan Dome was specifically designed to cope with the tremors of its earthquake prone area. Problems begin when more quakes occur than had been expected, which many experts suspect are being artificially created. The Sub-Sea Academy assigns Jim Eden to investigate, because of his experience working underwater, and also because his uncle is the prime suspect.^{[citation needed]}

Reception

Floyd C. Gale reviewed the book as follows:

Frankly and honestly, a gee-whiz yarn, it reaches its target—youngsters—with plenty of mystery, action, and suspense."^[5]