Today's free book is Myths and legends of the Greeks by Nicola Ann Sissons (1960) with illustrations by by Rafaello Busoni. For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
The Winged Horse
The Golden Apple
The Faithful Couple
The Golden Ram
Orpheus the Singer
Pyramus and Thisbe
The Trojan Horse
The Golden Fleece
The Story of Theseus
Daedalus and Icarus
Pandora's Box
The Golden Touch
The Gordian Knot
Echo and Narcissus
Sword of Damocles
Atalanta's Race
Prometheus
Arachne
Circe
Phaeton
Damon and Pythias
Proserpine and Pluto
The Cyclops
The Return of Ulysses
Cupid and Psyche
Perseus