The Game of Logic
This book can be downloaded and read in iBooks on your Mac or iOS device.
This book is designed to teach mathematical logic for who is interested in mathmatics.
Is this a book or a bad middle school textbook?
For when you are bored
This is Lewis Carroll.
It is nonsense.
Good book, bad ebook
This is a great classic book, converted from ASCII etext with mistakes. All ASCII art is unreadable, and it is important to understand the content. If you have original book in paper with illustrations, this ebook still could be useful for quoting.