Get ready to embark on an epic journey with the Trials of Apollo Series Collection Set by Rick Riordan. This 5-book set is perfect for young adults who love fantasy and mythology. The series follows the adventures of the god Apollo as he struggles to regain his powers after being sent to earth. With paperback format and written in English, this set is perfect for any book lover. The books are published by Penguin and are intended for a young adult audience. The set does not include any personalisation, inscriptions, or ex libris. It is a great addition to any book collection and promises to be an exciting read.