Grover Underwood (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grover Underwood" in Simple English language version.

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archive.org

  • Riordan, Rick (28 June 2005). The Lightning Thief. Percy Jackson and the Olympians. Hyperion Books. pp. 384. ISBN 0786856297. OCLC 60786141.
  • Riordan, Rick (3 May 2006). The Sea of Monsters. Percy Jackson and the Olympians. Miramax Books. pp. 279. ISBN 0786856866. OCLC 64664383.
  • Riordan, Rick (1 April 2007). The Titan's Curse. Percy Jackson and the Olympians. Hyperion Books for Children. pp. 312. ISBN 9781423101451. OCLC 76863948.
  • Riordan, Rick (8 May 2008). The Battle of the Labyrinth. Percy Jackson and the Olympians. Hyperion Books for Children. pp. 361. ISBN 9781423101468. OCLC 180753884.

worldcat.org

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  • Riordan, Rick (28 June 2005). The Lightning Thief. Percy Jackson and the Olympians. Hyperion Books. pp. 384. ISBN 0786856297. OCLC 60786141.
  • Riordan, Rick (3 May 2006). The Sea of Monsters. Percy Jackson and the Olympians. Miramax Books. pp. 279. ISBN 0786856866. OCLC 64664383.
  • Riordan, Rick (1 April 2007). The Titan's Curse. Percy Jackson and the Olympians. Hyperion Books for Children. pp. 312. ISBN 9781423101451. OCLC 76863948.
  • Riordan, Rick (8 May 2008). The Battle of the Labyrinth. Percy Jackson and the Olympians. Hyperion Books for Children. pp. 361. ISBN 9781423101468. OCLC 180753884.
  • Riordan, Rick (5 May 2009). The Last Olympian. Percy Jackson and the Olympians. Disney Hyperion. p. 381. ISBN 978-1423101475. OCLC 299578184.