"The Hidden Oracle (The Trials of Apollo Book 1)" by Rick Riordan is a hardback book published by Random House in 2016. This adventure fantasy novel, suitable for ages 9-12, features elements of folklore and mythology with a touch of humour. With a dust jacket, this book is part of the "The Trials of Apollo" series and is written in English. Perfect for fans of Rick Riordan or those looking for an exciting and engaging read.
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