Big Books of 2026
Jessie asked this question about The Hidden Oracle (The Trials of Apollo, #1):
Do I need to read the percy jackson series and the heroes of olympus series before reading this book?
need_the_bean Recommended, definitely, but as long as you're okay with a good amount of plot holes, then you might make it okay.

I didn't finish the last two books i…moreRecommended, definitely, but as long as you're okay with a good amount of plot holes, then you might make it okay.

I didn't finish the last two books in the Heroes of Olympus series and I got by okay (1-3 plot holes), but this book does refer to the PJO series a lot (past characters and whatnot).

Give this book a shot and if it doesn't work out -- don't drop it! Give the original series a shot first! :) (less)
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The Hidden Oracle
by Rick Riordan (Goodreads Author)
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