Riordan, Rick, author. Riordan, Rick. Son of Sobek. Riordan, Rick. Staff of Serapis. Riordan, Rick. Crown of Ptolemy.

Riordan, Rick, author. Riordan, Rick. Asgard. Riordan, Rick. Midgard. Riordan, Rick. Nidavellir. Riordan, Rick. Alfheim.

Riordan, Rick, editor, compiler, author. Container of (work): Hernández, Carlos, 1972- Calamity juice. Container of (work): Chokshi, Roshani. Beware the grove of true love. Container of (work): Cervantes, Jennifer. Cave of Doom. Container of (work): Lee, Yoon Ha. Initiation.