Greek Religion: Archaic and Classical - Walter Burkert - Google Books

http://books.google.de/books?id=ekqJUZHVTzsC&pg=PA136&dq=Poseidon&lr=&as_brr=3&sig=OgtO5LLKtQ4ncBOP1_iNCG7KGLQ#PPA136,M1

This is the first major synthesis of Greek religion to appear for a generation. A clearly structured and readable survey for classical scholars and students, it will also be generally welcomed as the best modern account of any polytheistic religious…