Binary Star 4 Legacy/The Janus Euqation Author:Joan D. Vinge;Steven G. Spruill Legacy: Dartagnan licked enough boots to outfit a centipede in persuit of his one big chance. Then, on a frozen outpost of Heaven Blet he was asked to throw it all away for some elses doomed dream. — The Janus Equation: Essians work could change the future, and the past, and to capture it the worlds largest corporations pursued him with bribes..... more ». and killers. But the secret of the Janus Euqation was fare more fatefull than Essian dared conceive...