Upon release, the book debuted at  1 on the Publishers Weekly Children's Frontlist Fiction bestseller list and  3 on the overall list (remaining there for 2 weeks). The hardcover edition debuted at  1 on Amazon's Teen & Young Adult Greek & Roman Myths & Legends bestseller list and the Kindle ebook at  1 on the Teen & Young Adult Sword & Sorcery Fantasy eBooks list. The next week, the book was the 6th sold among fiction novels on Amazon. It debuted at  5 on the USA Today bestseller list. On The Wall Street Journal fiction bestseller list, the book debuted at  2. In the first week of release, The Trials of Apollo series was  2 on The New York Times bestseller list.
