The Element Encyclopedia is a series of comprehensive A-to-Z reference books published by HarperCollins under their Element imprint. Each volume in this acclaimed series serves as a definitive guide to a specific subject within the realms of mythology, folklore, spirituality, and esoteric knowledge, written by expert authors including Theresa Cheung, Judika Illes, John and Caitlin Matthews, and Adele Nozedar.

Volumes in the series typically span 576 to over 1,000 pages, offering exhaustive coverage of their subject matter organized alphabetically for easy reference. Topics across the series include magical creatures from world mythology, dream symbolism, secret signs and symbols, spells and magical traditions, ghosts and paranormal phenomena, witchcraft history and culture, and the metaphysical significance of birthdays. The books combine historical research with folklore, drawing from a wide range of global traditions.

These large-format reference books are designed both as authoritative resources for enthusiasts of spiritual and esoteric subjects and as impressive gift books, combining scholarly depth with accessible writing. The Element imprint represents HarperCollins's commitment to publishing books on mind, body, and spirit topics.