Jonathan Edward Feinstein 
Chasing Rainbows [EPUB ebook] 

Something is happening and it seems to involve all the rainbows in the world and rainbows are the essential tools of many deities. So when Jael finds a lost and confused messenger goddess from the Hawaiian pantheon wandering among the limbs of the Norse World tree, Yggdrasil and Iris, the personal message bearer of the Roman goddess Juno is nowhere to be found, someone is going to have to investigate.