Red Pyramid
"AudioFile" magazine praised the audiobook, writing that "Riordan’s works transition well to the audiobook format with their formula of equal parts nonstop adventure and well-camouflaged education". He praised the introduction of dual narrators, who "add a welcome level of complexity" and both Kevin Free and Katherine Kellgren. The audiobook of "The Red Pyramid" was a finalist at the Audiobook of the Year Award.