The Trials of Apollo series near complete set by Rick Riordan includes books 1, 2, 4, and 5 in hardcover format with English language. Published by Disney Publishing Worldwide, the series falls under the genres of action, adventure, and fantasy, making it a thrilling read for fans of the series. The set also features dust jackets, adding to the collectible aspect of the books. With a focus on the Trials of Apollo series, this set is a must-have for those interested in the captivating world created by Rick Riordan.