Today's free book is King Arthur's knights; the tales retold by Henry Gilbert (1911), with illustrations by by Walter Crane. For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi (I have not checked for other online sources). There's also a free audiobook at LibriVox!
Table of Contents
How Arthur Was Made King and Won His Kingdom
Sir Balin and the Stroke Dolorous
How Lancelot Was Made a Knight. The Four Witch Queens and the Adventures at the Chapel Perilous
The Knight of the Kitchen
How Sir Tristram Kept His Word
The Deeds of Sir Geraint
How Sir Perceval Was Taught Chivalry, and Ended the Evil Wrought by Sir Balin's Dolorous Stroke
How Sir Owen Won the Earldom of the Fountain
Of Sir Lancelot and the Fair Maid of Astolat
How the Three Good Knights Achieved the Holy Graal John
Of the Plots of Sir Mordred; and How Sir Lancelot Saved the Queen
Of Sir Gawaine's Hatred, and the War with Sir Lancelot
Of the Rebellion of Mordred and the Death of King Arthur
