Mark Oshiro is the award-winning author of the YA books Anger Is a Gift and Each of Us a Desert. When they are not writing, they are busy trying to fulfill their lifelong goal of petting every dog in the world. The Insiders is their middle grade debut.
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Demigods Nico di Angelo and Will Solace must endure the terrors of Tartarus to rescue an old friend in this thrilling adventure co-written by New York Times #1 best-selling author Rick Riordan and award-winning author Mark Oshiro. Percy Jackson fans, rejo... SEE MORE