What is a book?

This Quote of what a book is is from Book Design by Andrew Haslam and is published by Laurence King Publishing

A Portable container consisting of a series of printed and bound pages that preserves, announces, expands and transmits knowledge to a literate leadership across time and space

The following definitions are what i think are the most interesting fromDictionary.Com

A written or printed work of fiction or nonfiction, usually on sheets of paper fastened or bound together within covers

A number of sheets of blank or ruled paper bound together for writing, recording business transactions, etc

A set or packet of tickets, checks, stamps, matches, etc., bound together like a book

Anything that serves for the recording of facts or events: The petrified tree was a book of Nature

A pile or package of leaves, as of tobacco

Mineralogy. A thick block or crystal of mica.