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Close the Book was a virtual representation of one of Ezio Auditore da Firenze's genetic memories, relived by Desmond Miles in 2012 through the Animus.


After assassinating all the executioners sent by the Master of the Sacred Palace, Ezio Auditore returned to Nicolaus Copernicus to confirm his suspicions.


  • Ezio: You were right. The Master intends to kill you.
  • Copernicus: I will not let his bullying stop my research. Tonight there is an eclipse. I intend to chronicle it.
  • Ezio: But the Master hunts for you.
  • Copernicus: Better to die enlightened, than to live in ignorance.
  • Ezio: His end will come much sooner than yours.

Ezio searched for the Master within the city and assassinated him.

  • Ezio: Silencing the truth will not stop its spread.
  • Master: People are lazy, they will believe what we tell them to believe. I have sent my best man to find Copernico. You are already too late.
  • Ezio: Requiescat in pace. (Rest in Peace.)

Ezio reached Copernicus and killed the guards sent to silence him. The pair stood to observe the eclipse.

ACB Close the Book 8

Copernicus explaining his theories to Ezio

  • Copernicus: Is the world not marvelous?
  • Ezio: Some of it.
  • Copernicus: You should not be so emotional. You will find it all makes more sense that way.
  • Ezio: Perhaps.
  • Copernicus: Cesare thinks himself the center of it all, but he circles the periphery with the rest of us. Did you know that the sun is most likely the midpoint of the universe, not the Earth? I see the movements of the moon and stars, and yet I can only observe. So much is unknown to me. This age of reason is but the beginning of an end I will never see. Someday we will be able to influence this world, to exploit the power of the human will to harness light and perhaps even travel into the heavens. But I am getting ahead of myself, first we must see the sun spinning at the center.
  • Ezio: I believe what you say is possible.
  • Copernicus: You should not accept my word. Not until I have proof. Soon. Buona Notte (Good night), Ezio, and thank you.


Ezio succeeded in assassinating the Master and the men who tried to kill Copernicus, and returned in time to observe Copernicus' theories of heliocentrism.


  • After an assassin is sent after Copernico, it is possible to locate him and kill prematurely to avoid the final fight.



Assassin's Creed: Brotherhood memories
Main memories
Sequence 1: Peace at Last
Mass Exodus - Homecoming - R & R - Horsing Around - Target Practice - Reunion - Vilified - Emergency Exit
Sequence 2: A Wilderness of Tigers
As Good As New - Well Executed - New Man in Town - Easy Come, Easy Go - Who's Got Mail? - Crepi il Lupo - The Halls of Nero - Roman Underground
Sequence 3: The Fighter, the Lover and the Thief
Double Agent - Between a Rock and a Hard Place - High-Stakes Negotiation - Collective Intelligence
Sequence 4: Den of Thieves
Castello Crasher - Femme Fatale - The Burdens We Carry - Guardian of Forlì - Man of the People - Serial Offender - Human Cargo - An Unexpected Visitor - War Plans - Outgunned - The Plan
Sequence 5: The Banker
Escape From Debt - Follow the Money - When in Rome... - In and Out - Paper Trail
Sequence 6: The Baron de Valois
Gatekeeper - French Kiss - Trojan Horse - Au Revoir
Sequence 7: The Key to the Castello
Patching the Leak - Calling All Stand-Ins - Exit Stage Right - Intervention - Ascension
Sequence 8: The Borgia
Requiem - An Apple a Day - The Apple of Eden - Demilitarization - Seeing Red - All Roads Lead To...
Sequence 9: The Fall
Pax Romana - A Seed
Secret locations
Wolves Among the Dead - Thrown to the Wolves - Leader of the Pack - The Sixth Day - A Wolf in Sheep's Clothing - Shopaholic - Liquid Gold
War machines
War Plans - Loose Cannon - War Plans - Flying Machine 2.0 - War Plans - Hell on Wheels
Templar agents
Down to Earth - Counter-Propaganda - Excommunication - Firing Line - Red-Handed - The Ringer
Cristina memories
A Second Chance - Last Rites - Best Man - Persona Non Grata - Love's Labour's Lost
Assassination contracts
Two's Company - Tactical Correction - ...And Three's a Crowd - Serf's Turf - The Three Amici - Red Letter Day - The Merchant of Rome - Bearers of Bad News - Cardinal Sin - Turning the Tables - Graduation - Brutes and Brutality
Thief assignments
Lost Pup - A Clash of Interests - Up to Speed - Class Warfare - Pointing Fingers - Eye on the Prize - Young at Heart - Downsizing - A Blanket Finish - For the Fans
Courtesan assignments
Property Dispute - Old Habits Die Hard - The Morning After - Running Scared - Live Bait - Malpractice - Closing In - Bad Politics - Troublemakers - Ghostwriting
The Da Vinci Disappearance
A Roll of the Dice - The One Who Got Away - Memento Mori - Bon Voyage - Last Minute Invite - The Ezio Auditore Affair - Decoding Da Vinci - The Temple of Pythagoras
Copernicus Conspiracy
False Censorship - Out of Orbit - Intelligentsia - Honorary Degree - Expedited Post - Man in Red - Sitting Ducks - Close the Book