Halo

Cryptum

By: Greg Bear

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eBook | 20 January 2026

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The first novel in the Forerunner Saga trilogy by science fiction legend Greg Bear—set in the Halo universe and based on the New York Times bestselling video game series!

One hundred thousand years ago, the galaxy was populated by a great variety of beings.

But one species—eons beyond all others in both technology and knowledge—achieved dominance.

They ruled in peace, but met opposition with quick and brutal effectiveness.

They were the Forerunners—the keepers of the Mantle of Responsibility, the next stage of life in the Universe's Living Time.

And then they vanished.

This is their story.

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Halo

Cryptum

At a Glance

eBook

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More in Fiction

The Wedding Dress (short stories)

Odd Interlude Part One

A Novella

A Few Right Thinking Men

Rowland Sinclair: Book 1

Orphan Train

A Novel

Where's My Hero?

Against the Odds; Midsummer's Knight; A Tale of Two Sisters

Alluring Tales

Hot Holiday Nights

Mr. Cavendish, I Presume

Two Dukes of Wyndham Book 2

Portrait of a Spy

Gabriel Allon: Book 11

Wuthering Heights

A Night Like This

Smythe-Smith Quartet Book 2

The Brat

Olive Kitteridge

The Beloved Pulitzer Prize-Winning Novel

Vampire Academy

The Complete Series : Books 1-6

Lady Whistledown Strikes Back

Scottish Brides

Protect and Defend

Mitch Rapp: Book 10

Extreme Measures

Mitch Rapp: Book 11

Pursuit of Honour

Mitch Rapp: Book 12

Consent to Kill

Mitch Rapp: Book 8

The Wrong Girl

The Lost Duke of Wyndham

Two Dukes of Wyndham Book 1

Brighter Than the Sun

Lyndon Sisters Book 2

Everything and the Moon

Lyndon Sisters Book 1

The Further Observations of Lady Whistledown

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