Cover of The Power of the Pi-Meson Man; Gravitational Boom-a-rang; Siren of the Sargasso; The Ghost of Adam Strange; The Captain Marvel of 7,000 B.C.

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The Power of the Pi-Meson Man; Gravitational Boom-a-rang; Siren of the Sargasso; The Ghost of Adam Strange; The Captain Marvel of 7,000 B.C.

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