Book 4

Getaway World

by E. E."Doc" Smith and Stephen Goldin

Published 3 November 1977

Helena, second in command of the Empire Of Earth's security forces (and daughter of its head), has disappeared. She knows the identity of SOTE's two most highly trained operators and their lives are now in danger . . . they have to find her before she can reveal their identities.

Getaway World is the fourth book in the Family d'Alembert series.


Book 6

Purity Plot

by E. E."Doc" Smith and Stephen Goldin

Published 12 October 1978

THE MARCH OF THE ARMY OF THE JUST

What is happening on Purity - an obscure planet peopled only by religious introverts? Hitherto the hairshirt brigade have turned their backs on the rest of the Empire. But now, inspired by the aggressive zeal of sinister evangelist Tresa Clunard, the Puritans are preparing to fight a holy war.

Time, once more, for SOTE's crack agents, the Family d'Alembert, to spring into action. And the responsibility for this mission rests with the new time of Yvette and Pias Bavol. Theirs is an awesome task, for the future peace of Stanley Ten's interstellar civilisation hangs in the balance...


Book 7

Planet of Treachery

by E. E."Doc" Smith and Stephen Goldin

Published 8 January 1981
Classic space opera adventure, Book #7 in the "Family D'Alembert" series. For centuries, the planet Gastonia has been a planet of exile, an escape-proof prison world for the worst sorts of traitors. But now, it seems, prisoners are indeed escaping, and all evidence points to the sinister, all-knowing conspiracy that continues to shadow the Throne. The d'Alemberts must infiltrate this world of traitors - and they must do it without a safety net, because if they fail they themselves will be trapped on this inhospitable world.

Book 8

Eclipsing Binaries

by E. E."Doc" Smith and Stephen Goldin

Published 5 January 1984

The evil conspiracy of Lady A takes a new and mysterious turn when Grand Duke Zander von Wilmenhorst - the secret Head of SOTE - is implicated in a deadly plot against the Empire. And an enemy is impersonating Jules and Yvonne d'Alembert and luring SOTE agents to their deaths.

The trails lead the Family d'Alembert out into deep space to tackle the source of this disturbing operation. And Etienne d'Alembert has his own mission - to clear the name of Zander from accusations of treason. Before long, SOTE's top agents are locked in mortal combat with some of the Empire's most powerful foes...