This is by no means a comprehensive list of the mythology resources used on Mythography. It is, instead, a guide to some of the books I recommend.
More information about a book can be found by visiting the link.
Dictionary of Celtic Mythology by Peter Berresford Ellis
This is my main go to book for information about the myths of the Celts. It is a concise guide to the important characters and concepts from Celtic mythology.
Bulfinch’s Mythology by Thomas Bulfinch
The stories of Classical myth come to life in Bulfinch’s book. This edition also features legends from other cultures.
The Complete Idiot’s Guide to Classical Mythology by Kevin Osborn
This book offers an engaging, fun, and often irreverent look at the myths and legends of ancient Greece and Rome.
The Greek Myths, vol. 1 & 2, by Robert Graves
My copy of the books both feature the following comment: “A brilliant and erudite contemporary interpretation.” I’d say that sums up this pair of books nicely.
Mythology by Edith Hamilton
Hamilton approached mythology with the education of a classicist and the passion of a writer in love with her subject.
The Oxford Classical Dictionary edited by Simon Hornblower & Antony Spawforth
The Oxford Classical Dictionary, or OCD, has the distinction of being one of the most comprehensive studies of the Classical world.
Who’s Who in Classical Mythology by Michael Grant and John Hazel
This who’s who features information about over 1200 of the most intriguing characters from Classical myth and legend.
Women of Classical Mythology by Robert E. Bell
Famous - and infamous - females from Classical myth and legend are the subject of this useful dictionary.