Ancient knowledge. Modern cover-ups. A discovery lost to time.

For thousands of years, the truth about civilization has been hidden -- suppressed, exploited and buried beneath layers of deception. Some believe the answers lie within the Great Pyramid of Giza, but no one has ever found them. Those who tried were ridiculed, silenced or worse.

When journalist Daniel Rossler and researcher Dr. Sarah Clarke stumble upon a secret hidden within the pyramid, their discovery threatens to upend everything we know about the past. What begins as an academic curiosity quickly becomes a fight for survival as they uncover evidence that powerful forces never intended to see the light of day.

As they push forward, skepticism turns to hostility, and dangerous enemies close in. The Orion Society, a ruthless secret organization, will stop at nothing to keep the truth buried. But they're not the only ones watching. Intelligence agencies, military forces and even the President of the United States have their own reasons for keeping the past hidden.

Caught in a deadly struggle between those who seek the truth and those who will do anything to suppress it, Rossler and Clarke must unravel an ancient mystery before it's too late. Will they reveal humanity's greatest secret, or will the truth die with them?

The Tenth Cycle is a gripping techno thriller packed with lost history, global conspiracies, and a battle for knowledge that could change everything. This fast-paced adventure is the first book in JC Ryan's Rossler Foundation Mystery Series.

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Praise for the Rossler Foundation Mystery Series:

Couldn't put it down.

Turning history on its head!!

I was hooked from the outset, a tale set amongst ancient pyramids, deciphering encoded messages to gain access to the further mysteries, what a tale!

Absolutely stunning, gripping and "just one more chapter-ish" read!

I read it in one sitting!!

Great read, clever storyline. A real page turner.

Full of intrigue and suspense from the start to the finish

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