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SeriesStory/EventYearMonthDay(s)Notes
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HOOBirth: Hazel Levesque78 BLTDecember17
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PJOBirth: Nico di Angelo74 BLTJanuary28‘I've been here before.’ His eyes were as dark as his blade. ‘With my mother and Bianca. A
weekend trip from Venice. I was maybe … six?’ ‘[Nineteen] ’Thirty-eight or so,’
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HOODeath: Hazel Levesque64 BLTShe looked at the town below and couldn't believe how much it had grown since 1942.
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PJOBirth: Thalia Grace19 BLTDecember22
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PJOBirth: Annabeth Chase13 BLTJuly12
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PJOBirth: Percy Jackson13 BLTAugust18
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HOOBirth: Frank Zhang12 BLTJune5
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TKCBirth: Carter Kane12 BLTJune?
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HOOBirth: Jason Grace12 BLTJuly1
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MCABirth: Magnus Chase 11 BLTJanuary13
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TKCBirth: Sadie Kane10 BLTMarch17
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TDDThe Diary of Luke Castellan6 BLTSeptemberAnd then…well, the monsters like to eat at sundown. Today, that will be at 7:03.
Annabeth took the dagger and studied it in awe. I know…she was seven years old at most.
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TKCDeath: Ruby Kane4 BLTShe was holding her cat, Muffin, who'd been a “going away” gift from Dad six years before.
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PJOThe Lightning Thief (1)0 ALTMayI could start at any point in my short miserable life to prove it, but things really started going bad last May.
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PJOThe Lightning Thief (2)0 ATLJune10-21Zeus has demanded that Poseidon return the bolt by the summer solstice. That's June twenty-first, ten days from now.
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PJOThe Sea of Monsters1 ALTJune18"June eighteenth! We've been away from camp ten days!"
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TDFPercy Jackson and the Stolen Chariot1 ALTSeptemberI had no idea what she was doing on the Upper East Side in the middle of a school day, but she was obviously in trouble.
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PJOThe Titan's Curse1 ALTDecember15-21"Hey, I'm the god of prophecy. I know stuff. You'll turn sixteen in about a week."
"That's my birthday! December twenty-second."
"We must not delay," Chiron warned. "Today is Sunday. This very Friday, December twenty-first, is the winter solstice."
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PJOThe Battle of the Labyrinth2 ALTSummerThe last thing I wanted to do on my summer break was blow up another school.
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TDFPercy Jackson and the Bronze Dragon2 ALTJuneIt was the end of June.
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TDFPercy Jackson and the Sword of Hades2 ALTDecember25Christmas in the Underworld was NOT my idea
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TKCThe Red Pyramid2 ALTDecember24-28It happened on Christmas Eve. We were in London for visitation day with my sister, Sadie.
We left New Orleans about 1 a.m. on December twenty-eighth, the day before Set planned to destroy the world.
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TKCThe Throne of Fire3 ALTMarch17-21 “Why four days? What’s so special about…um, March twenty-first?”
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PJOThe Last Olympian3 ALTAugust11,15-18"It's August 18th," she said. "Your birthday, right?"
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TKCThe Serpent's Shadow3 ALTSeptemberHe wore a gray military outfit with a wool coat too heavy for the warm September night.
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TDDPercy Jackson and the Staff of Hermes3 ALTSeptember18“Percy, today is September eighteenth. What happened exactly one month ago?”
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GOWPercy Jackson and the Singer of Apollo3 ALT
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HOOThe Lost Hero3 ALTDecember16-21For reasons we don't yet understand, it must happen by the winter solstice, only four days from now.
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TDDLeo Valdez and the Quest for Buford3 ALTDecember24Christmas Eve. Leo couldn't believe it was here already
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TDDThe Son of Magic4 ALT~AprilAlabaster shrugged like even he’d forgotten. “Seven or eight months ago, but it seems longer
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HOOThe Son of Neptune4 ALTJune19-24or we hold a ballot on the evening of June 24, at the Feast of Fortuna. That’s in five days.”
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HOOThe Mark of Athena (1)4 ALTJune25-30Let’s see…it’s June twenty-fifth? Yes, after today, six more days. Then he dies, along with the entire city of Rome.”
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HOOThe Mark of Athena (2)4 ALTJuly1Let’s see…it’s June twenty-fifth? Yes, after today, six more days. Then he dies, along with the entire city of Rome.”
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HOOThe House of Hades4 ALTJuly5-18With a start, Leo realized that yesterday – last night, whatever – had been the Fourth of July.
‘July eighteenth,’ Frank offered. ‘So, yeah, from tomorrow, exactly fourteen days.’
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HOOThe Blood of Olympus (1)4 ALTJuly20-31Today was 20 July. They only had twelve days before Gaia planned to wake, on 1 August, the ancient Feast of Hope.
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HOOThe Blood of Olympus (2)4 ALTAugust1Today was 20 July. They only had twelve days before Gaia planned to wake, on 1 August, the ancient Feast of Hope.
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DGMThe Son of Sobek4 ALT~August
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DGMThe Staff of Serapis4 ALTSeptemberShe remembered something Percy had told her a few weeks ago – about an encounter he'd had that seemed so impossible she'd assumed he was joking. But now …
Annabeth recalled a quote her friend Frank had once shared with her – something from Sun Tzu's The Art of War.
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DGMThe Crown of Ptolemy4 ALT
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CJCCamp Jupiter ClassifiedFrom Reyna Avila Ramirez-Arello Praetor of the Twelth Legion Fulminata...my fellow preator Frank Zhang
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MCAThe Sword of Summer5 ALTJanuary~13Well, happy birthday to me! Was it 13 January? Honestly, I had no idea. Time flies when you're sleeping under bridges and eating from dumpsters.
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TOAThe Hidden Oracle5 ALTJanuarySee 'The Burning Maze'
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CHCCamp Half-Blood ConfidentialThe Grove of Dodona- Brought to you by Pete the Palikos
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BMMBrooklyn House Magicians ManualThe worst is Sente, an evil magician with delusions of immortality. Don't worry about him, though. He's imprisoned inside a snow glode on my desk.
The book underneath his snow globe was called 'The History of Pavement', on loan from a friend of Carter's from Long Island.
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MCAThe Hammer of Thor5 ALTFebruaryI hadn't seen Samirah al-Abbas in almost six weeks, so when she called out of the blue and said we needed to talk about a matter of life and death, I agreed right away.
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TOAThe Dark Prophecy5 ALTFebruaryWe had been travelling west for six weeks, and Fetus had never shown such hostility towards a state.
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TOAThe Burning Maze5 ALTMarchI had fallen from Olympus and crash-landed in a Manhattan dumpster in January. It was now March. That meant I had been human for about two months.
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TOAThe Tyrant's Tomb5 ALTApril8Lester birthday was 8th April (Real world year dosen't line up as Frank references Avengers: Infinity War 'We'll do the Wakanda thing')
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MCAThe Ship of the Dead5 ALTJune24-but we have to find Loki's big nasty ship of death before it sails at Midsummer. It's docked somewhere along the border between Niflheim and Jotunheim. We're estimating it'll take a couple of weeks to sail that distance.'
'Which means,' Alex said 'we really should have left already. We definitely have to sail by the end of the week, ready or not.'
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TOAThe Tower of Nero5 ALTJuneAfter six months of being in this miserable mortal body, I was approaching my endgame
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TSATSThe Sun and The Star5 ALTAugustthe clearest sign summer was over
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PJOThe Chalice of the Gods
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FNW9 From the Nine WorldsHe was away visiting his cousin
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Main Series
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PJOPercy Jackson and the Olympians
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HOOHeroes of Olympus
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TOAThe Trials of Apollo
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TKCThe Kane Chronicles
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MCAMagnus Chase and the Gods of Asgard
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Short Stories/Companion Books
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TDFThe Demigod Files
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TDDThe Demigod Diaries
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DGMDemigods & Magicians
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GOWGuys Read Other Worlds
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CHCCamp Half-Blood Confidential
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BMMBrooklyn House Magicians Manual
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FNW9 From the Nine Worlds
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CJCCamp Jupiter Confidential
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Stand Alones
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TSATSThe Sun and The Star
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