Today's free book is Young Folks' Treasury, Volume 2: Myths and Legendary Heroes by Hamilton Wright Mabie (1909). 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
MYTHS OF GREECE AND ROME
Baucis and Philemon
Pandora
Midas
Cadmus
Proserpina
The Story of Atalanta
Pyramus and Thisbe
Orpheus
MYTHS OF SCANDINAVIA
Baldur
Thor's Adventure among the Jotuns
The Gifts of the Dwarfs
The Punishment of Loki
MYTHS OF INDIA
The Blind Man, The Deaf Man, and the Donkey
Harisarman
Why the Fish Laughed
Muchie Lal
How the Rajah's Son Won the Princess Labam
MYTHS OF JAPAN
The Jellyfish and the Monkey
The Old Man and-the Devils
Autumn and Spring
The Vision of Tsunu
The Star-Lovers
MYTHS OF THE SLAVS
The Two Brothers
The Twelve Months
The Sun; or, the Three Golden Hairs of the Old Man Vésèvde
A MYTH OF AMERICA
Hiawatha
HEROES OF GREECE AND ROME
Perseus
Odysseus
The Argonauts
Theseus
Hercules
The Perilous Voyage of Æneas
How Horatius Held the Bridge
How Cincinnatus Saved Rome
HEROES OF GREAT BRITAIN
Beowulf
How King Arthur Conquered Rome
Sir Galahad and the Sacred Cup
The Passing of Arthur
Robin Hood
Guy of Warwick
Whittington and His Cat
Tom Hickathrift
HEROES OF SCANDINAVIA
The Story of Frithiof
Havelok
The Vikings
HERO OF GERMANY
Siegfried
HERO OF FRANCE
Roland
HERO OF SPAIN
The Cid
HERO OF SWITZERLAND
William Tell
HERO OF PERSIA
Rustem