How old is Percy Jackson in the first book?

Perseus “Percy” Jackson was born on August 18, 1993. Percy was 12 years old when he first entered Camp half blood in the book Lightning Thief. Since then he grew 1 year older till the book Last Olympian. That made him around 16 – 17 year old when the first series ended.

Regarding this, what age group is Percy Jackson books for?

Common Sense Media (my go-to spot for judging what media is appropriate for what age of kids) rates the Percy Jackson books as for kids aged 910. I'd probably pull that down a year to ages 8–9, but either way much is lost in reading those books if you don't know the myths they are referencing.

How old is Percy Jackson in the sea of monsters?

Percy Jackson: The son of Poseidon; a 13-year-old demigod who travels to the island of Polyphemus in the Bermuda Triangle to find Grover and recover the Golden Fleece. He is accompanied by Annabeth and Tyson, his half-brother, on the quest.

How old is Percy Jackson supposed to be in the movie?

He's supposed to be 12 years old but he looks like he's 16 years old. Logan Lerman, the actor who played Percy Jackson, was 21 when The Sea of Monsters was released. Percy Jackson is supposed to be 13 in The Sea of Monsters.
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