Today's free book is A Book of Myths by Jean Lang (1915), with illustrations by Helen Stratton. For the table of contents, check at the bottom of this post below the image.
The book is available at Project Gutenberg (I have not checked for other online sources). There's also a free audiobook at LibriVox.
Table of Contents
PROMETHEUS AND PANDORA
PYGMALION
PHAETON
ENDYMION
ORPHEUS
APOLLO AND DAPHNE
PSYCHE
THE CALYDONIAN HUNT
ATALANTA
ARACHNE
IDAS AND MARPESSA
ARETHUSA 100
PERSEUS THE HERO
NIOBE
HYACINTHUS
KING MIDAS OF THE GOLDEN TOUCH
CEYX AND HALCYONE
ARISTÆUS THE BEE-KEEPER
PROSERPINE
LATONA AND THE RUSTICS
ECHO AND NARCISSUS
ICARUS
CLYTIE
THE CRANES OF IBYCUS
SYRINX
THE DEATH OF ADONIS
PAN
LORELEI
FREYA, QUEEN OF THE NORTHERN GODS
THE DEATH OF BALDUR
BEOWULF
ROLAND THE PALADIN
THE CHILDREN OF LÎR
DEIRDRÊ