- EbookThe Adventures of Captain PoloAlan J Hesse
- EbookCaptain Polo and the Halloween PartyAlan J Hesse
- EbookCharles Darwin and the Theory of Natural SelectionAlan J Hesse
- EbookCaptain Polo at the North PoleAlan J Hesse
- EbookThe Adventures of Captain PoloAlan J Hesse
- EbookThe Adventures of Captain Polo (Book 1)Alan J Hesse
- EbookSeries: The Adventures of Polo the BearAlan J Hesse
- EbookThe Adventures of Captain PoloAlan J Hesse
- EbookSeries: The Adventures of Captain PoloAlan J Hesse
- EbookThe Adventures of Captain PoloAlan J Hesse
- EbookCaptain Polo and the Halloween PartyAlan J Hesse
- EbookFables of the AmazonAlan J Hesse
- EbookThe Adventures of Captain Polo (Book 4)Alan J Hesse