Today's free book is The Gulistan, being the Rose-garden of Shaikh Sà'di by Edwin Arnold (1899). For the table of contents, check at the bottom of this post below the image.
The book is available to read online at Hathi Trust (I have not checked other online sources).
Table of Contents
Author's Preface
Preface by Sa'di
GATEWAY THE FIRST
The Manners of Kings
GATEWAY THE SECOND
Concerning Darweeshes
GATEWAY THE THIRD
The Excellency of Moderation
GATEWAY THE FOURTH
The Benefits of Taciturnity