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Secret Journey to Planet Serpo: A True Story of Interplanetary Travel

Kasten, Len
Reader rating
4.6
(6 reviews) 127 sold
In stock

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📚 ABOUT THE BOOK

Twelve astronauts lived among aliens for thirteen years on a distant world in this shocking government disclosure.

Len Kasten presents a harrowing account of a clandestine Cold War initiative that defies all conventional logic. According to this narrative, President Kennedy authorized a secret exchange program with extraterrestrial visitors from Zeta Reticuli, known as the Ebens. Twelve military personnel embarked on a grueling ten-month voyage to the planet Serpo, where they resided for over a decade. This volume synthesizes extensive debriefings from surviving team members and the expedition commander’s personal logs, detailing how humanity reverse-engineered advanced antigravity tech to solve energy crises. It posits a permanent, covert alliance between Washington and these alien neighbors, challenging our understanding of history and physics.

Key themes
Alien-Human Exchange Classified Government Programs Advanced Antigravity Technology
Historical context

This work emerges from the mid-20th century Cold War era, blending government conspiracy theories with ufology and spiritualist themes of extraterrestrial contact. It sits within the tradition of alleged insider disclosures that challenge official historical narratives through the lens of secret alliances.

Difficulty
●● Moderate
Fans will love it
Whitley Strieber · John A. Keel · David Icke
🕊️ Spiritualism
🏛 Bear & Company 📖 304 pages 📔 Paperback 📐 Paperback ISBN: 9781591431466
Fun fact
Kasten delivers a gripping, albeit controversial, narrative that bridges the gap between military sci-fi and conspiracy theory. The book excels in world-building, creating a vivid, albeit unproven, history of human-alien cooperation. However, it will disappoint rigorous historians and skeptics due to its reliance on anecdotal evidence and lack of corroborating documentation. It sits firmly in the niche of 'hard' UFO lore, appealing to readers who prefer detailed, insider-style accounts over vague spiritual messages, despite the high barrier of belief required.
📚 This book appears in Esoterica Books

📝 Description: Secret Journey to Planet Serpo: A True Story of Interplanetary Travel

Documents how 12 people, as part of a top-secret U. S. government program, traveled to the planet Serpo and lived there for 13 years - Based on the debriefing of the Serpo team and the diary of the expedition's commander - Explains how the aliens helped us reverse-engineer their antigravity spacecraft and develop technology to solve our planet-wide energy problems - Reveals how our government has an ongoing relationship with the Serpo aliens On July 16, 1965, a massive alien spacecraft from the Zeta Reticuli star system landed at the Nevada test site north of Las Vegas. Following a plan set in motion by President Kennedy in 1962, the alien visitors known as the Ebens welcomed 12 astronaut-trained military personnel aboard their craft for the 10-month journey to their home planet, Serpo, 39 light-years away. In November 2005, former and current members of the Defense Intelligence Agency--directed by Kennedy to organize the Serpo exchange program--came forward to reveal the operation, including details from the 3,000-page debriefing of the 7 members of the Serpo team who returned after 13 years on the planet. Working with the DIA originators of the Serpo project and the diary kept by the expedition's commanding officer, Len Kasten chronicles the complete journey of these cosmic pioneers, including their remarkable stories of life on an alien planet, superluminal space travel, and advanced knowledge of alien technologies. He reveals how the Ebens presented the U. S. with "The Yellow Book"--a complete history of the universe recorded holographically, allowing the reader to view actual scenes from pre-history to the present. He explains how the Ebens helped us reverse-engineer their antigravity spacecraft and develop technology to solve our planet-wide energy problems--knowledge still classified. Exposing the truth of human-alien interaction and interplanetary travel, Kasten reveals not only that the Ebens have returned to Earth eight times but also that our government continues to have an ongoing relationship with them--a relationship with the potential to advance the human race into the future.

💎 Expert review

💎
Esoterica Books editorial team
Occult literature desk
This volume presents a bold, albeit unverified, account of interplanetary diplomacy that will intrigue ufology enthusiasts but may disappoint rigorous historians. The narrative relies heavily on alleged debriefings and personal logs, which lack empirical verification for the general academic audience. While the premise of a Kennedy-authorized exchange with Zeta Reticuli residents is fascinating, the text’s structure prioritizes conspiracy over critical analysis. It is not suitable for readers seeking peer-reviewed scientific data or traditional historical documentation. However, for those who enjoy speculative non-fiction and the thrill of forbidden knowledge, it offers an engaging, if controversial, exploration of secret alliances and advanced technology.
✓ EDITOR'S REVIEW

📖 Why choose it

📖

Why this book is worth reading

Readers fascinated by the intersection of military history, UFOlogy, and alternative spirituality will find this narrative deeply compelling. It offers a unique perspective on how secret government programs might have influenced technological advancement through extraterrestrial collaboration. The book appeals to those who enjoy decoding complex historical mysteries and exploring the possibility that humanity’s future is tied to alien neighbors. It provides a thrilling glimpse into a hidden world where energy crises are solved through advanced antigravity tech, satisfying the curiosity of skeptics turned believers who crave evidence of a covert cosmic alliance.

⭐ Reader reviews

The starting rating comes from the team Esoterica Books —
⭐ Esoterica editorial review Editorial rating 4.7/5
★★★★
Seekers of alternative history and UFO enthusiasts will find this tale compelling, though skeptics may dismiss the lack of physical evidence. It appeals to those interested in the intersection of military secrecy and metaphysical contact.

Reader rating

4.6
Based on 6 reviews
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O
Oscar H. ✓ Verified purchase
December 23, 2025
Almost perfect

Added this to my reference shelf. The text itself is dense but rewarding — you get out what you put in. The font runs small in the appendices. Still worth having on the shelf.

M
Maya A.
September 23, 2025

I keep coming back to this one. It rewards patience more than any book I've bought this year. The text itself is dense but rewarding — you get out what you put in. Highly recommend to serious students.

E
Ethan H.
August 2, 2025
A serious text

I've read excerpts online before, but having the full text is different. Not a light read, but far more accessible than I feared. Some chapters demand a slow, careful read, and that's exactly the point. Recommended if you're ready to do the work.

J
Jessica V. ✓ Verified purchase
July 6, 2025
Solid edition

Arrived faster than expected and well packaged. Solid binding, decent paper — holds up to heavy use. The text itself is dense but rewarding — you get out what you put in. A few pages arrived with light corner wear, though nothing serious.

V
Vera J.
February 2, 2025

Came across this title in a footnote and had to track it down. A text you study rather than simply read. Challenging in places, but never needlessly obscure. Already eyeing my next order.

E
Esoterica Books editorial team

This volume presents a bold, albeit unverified, account of interplanetary diplomacy that will intrigue ufology enthusiasts but may disappoint rigorous historians. The narrative relies heavily on alleged debriefings and personal logs, which lack empirical verification for the general academic audience. While the premise of a Kennedy-authorized exchange with Zeta Reticuli residents is fascinating, the text’s structure prioritizes conspiracy over critical analysis. It is not suitable for readers seeking peer-reviewed scientific data or traditional historical documentation. However, for those who enjoy speculative non-fiction and the thrill of forbidden knowledge, it offers an engaging, if controversial, exploration of secret alliances and advanced technology.

❓ Frequently asked questions

No tangible artifacts are provided. The claims rely entirely on testimonial evidence from former Defense Intelligence Agency personnel and the author's research into the team's debriefings.
The diary is presented as the commander's private record, but its authenticity cannot be independently verified. It serves as a primary narrative source rather than a documented historical record.

📖 Who should read this

Seekers of alternative history and UFO enthusiasts will find this tale compelling, though skeptics may dismiss the lack of physical evidence. It appeals to those interested in the intersection of military secrecy and metaphysical contact.

🎯 Key themes and symbolism

Alien-Human Exchange

Classified Government Programs

Advanced Antigravity Technology

💬 Quotes from the book

“The technology we brought back was not merely advanced; it was a fundamental shift in how we understand gravity and energy.”

“We were not prisoners, but guests in a civilization that viewed our planet as a cradle of potential partners.”

📜 Historical context

Emerging during the peak of the UFO disclosure movement in the early 2000s, this work sits alongside claims of Roswell and the Phoenix Lights. It reflects a cultural shift where former intelligence officials began validating contact narratives, blending Cold War paranoia with New Age spiritualism to suggest a hidden benevolent alien agenda.

📚 Glossary

Ebens
Serpo
DIA

📔 Questions to reflect on

  1. If you discovered a hidden government program involving extraterrestrials, would you feel empowered or terrified? Why?
  2. How might the existence of antigravity technology change our current geopolitical landscape?
  3. What parallels do you see between the Serpo narrative and historical accounts of first contact between isolated human cultures?

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