https://readanybooks.com/book/11044-the-sea-of-monsters
* Arhiv celotnega besedila - Percy Jackson in olimpijci
https://archive.org/details/PercyJackson02_980
* Zvočne knjige LibriVox - Morje pošasti
https://librivox.org/the-sea-of-monsters-by-rick-riordan/