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"The Time Portal: Invasion from the Future" is a novel by Roman Zadnik about time travellers arriving at the White House: The novel is currently only available in the German language version. For licensing a translation or negotiations concerning movie rights / movie options please contact the author using the “Contact” form on this website.

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Washington D.C. today: after the inauguration ceremony of President Rogers, an amazing phenomenon of light suddenly materializes in front of the White House. This turns out to be a portal to a different time. Time travellers have come from the future to wage war with their highly advanced technologies and their unique knowledge of the present time. All counter attacks of military forces fail miserably as the aggressors from the future are always one step ahead. The young president and his team have very little time left to launch a fight back. This action-packed story plays out on water, on land and in the air, appealing not only to die-hard science fiction fans, this is a story full of exciting themes such as nuclear war, environmental destruction, total surveillance and very importantly, being careful with your smartphone! The author relates this story of a strong heroine and a chaotic hacker with wry irony and great attention to technical detail.