If you like the Percy Jackson series by Rick Riordan, try some of these other fantasy novels featuring average kids with mythical powers:
Alexander, Lloyd. The Book of Three (Chronicles of Prydain). Holt, 1964.- Barrett, Tracy. King of Ithaka. Holt, 2010.
- Benz, Derek. The Brimstone Key (Grey Griffins: The Clockwork Chronicles). Little, Brown, 2010.
- Berry, Dave. Peter and the Starcatchers. Hyperion, 2004.
- Chima, Cinda Williams. The Warrior Heir (The Heir Chronicles). Hyperion, 2007.
- Collins, Suzanne. Gregor the Overlander (The Underland Chronicles). Scholastic, 2003.
- Cooney, Caroline B. Goddess of Yesterday. Delacorte, 2002.
- Cooper, Susan. The Dark Is Rising. Atheneum, 1973.
- Cordova, Zoraida. The Savage Blue (The Vicious Deep). Sourcebooks Fire, 2013.
- Deming, Sarah. Iris, Messenger. Harcourt, 2007.
- Druitt, Tobias. Corydon and the Island of Monsters. Random, 2006.
- Ford, Michael. The Fire of Ares (Spartan Warrior). Walker, 2008.
- Golding, Julia. The Secret of the Sirens (The Companions Quartet). Amazon, 2007.
- Graff, Lisa. A Tangle of Knots. Philomel, 2013.
- Johnson, Jane. The Secret Country (Eidolon Chronicles). Simon & Schuster, 2007.
- Kerr, Philip. The Akhenaten Adventure (Children of the Lamp). Orchard, 2004.
- Law, Ingrid. Savvy. Dial, 2008.
- Lawrence, Caroline. The Thieves of Ostia (The Roman Mysteries). Orion, 2002.
- Lerangis, Peter. Seven Wonders Book 1: The Colossus Rises. HarperCollins, 2013.
- Mebus, Scott. Gods of Manhattan (series). Puffin, 2009.
- Meyer, Kai. The Water Mirror (Dark Reflections). McElderry, 2005.
- Scott, Michael. The Alchemyst. Delacorte, 2007.
- Shipton, Paul. The Pig Scrolls by Gryllus the Pig. Candlewick, 2005.
- Ursu, Anne. The Shadow Thieves (Cronus Chronicles). Atheneum, 2007.
- Yancey, Rick. The Extraordinary Adventures of Alfred Kropp. Bloomsbury, 2006.
Also see the previous Percy Jackson Series read-alike page from September 2011.