Options for Required Reading
By Blood, Bone, and Blade: A Tribute to the Morrigan edited by Nicole Bonvisuto (2014)
Hoofprints in the Wildwood, A Devotional for the Horned Lord edited by Richard Derks (2011) note: not available on Amazon – follow the link to buy from Lulu print-on-demand
Depth of Praise: A Poseidon Devotional by Terentios Poseidonides (2016)
Bearing Torches: A Devotional Anthology for Hekate by Bibliotheca Alexandrina (2009)
Other offerings from Bibliotheca Alexandrina
Coming in late 2018: Harp, Club, and Cauldron: A Harvest of Knowledge – a curated anthology of scholarship, lore, and creative writings on The Dagda in Irish tradition.
Recommended Reading
The Path of Paganism: An Experience-Based Guide to Modern Pagan Practice by John Beckett (2017)
Devotional Polytheism: An Introduction by Galina Krasskova (2014)
Kissing the Limitless: Deep Magic and the Great Work of Transforming Yourself and the World by T. Thorn Coyle (2009)