The book is available at the Baldwin Project, Project Gutenberg, Internet Archive, Hathi Trust, and Google Books.
The Gods and the Giants
The First Man
The Great Flood
The Stories of Latona and Niobe
The Flayed Piper
Too Much Gold
The Critic
The Laurel
The Hyacinth
The Sun-Flower
The Narcissus
Presumption
Diana
Minerva
The God of Fire
Love and the Soul
Mercury and Iris
Neptune
The King and Queen of the Dead
The Kingdom
Orpheus and Eurydice
Man Who Never Died
The Adventures of Perseus
The Golden Fleece
A Lost Secret
The Champion of Athens
The Oracle
His First Labor: The Lion
His Second Labor: The Hydra
His Third Labor: The Stag
His Fourth Labor: The Boar
His Fifth Labor: The Augean Stable
More Labors
His Eleventh Labor: The Garden of the Hesperides
His Twelfth Labor: The Descent into Hades
The Choice of Hercules
The Tunic of Nessus
The Apple of Discord