From back cover of Jove/HBJ paperback March 1979: TREASON THREATENS THE GALAXY A robber captured in far-off Kolokov knows a secret that threatens the stability of the succession of the Throne of the Empire of Earth. But he withstands the powers of the fatal truth-telling drug nitrobarb and dies before revealing the traitors' names. Daring secret agents Jules and Yvette D'Alembert, possessed of lightning reflexes and super-strength, are faced with a far-reaching and baffling plot. They join forces with the rest of the D'Alemberts to uncover the "time bomb" that menaces the Princess' life and…
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Triplanetary
