an open book - someone or something that is easy to understand

What does an open book in Idioms_an stand for? This page is dedicated to explaining the various possible meanings of acronym, abbreviation, shorthand or slang term : an open book What does an open book in Idioms_an mean? Ever wondered what an open book means? Or any of the other 1,050,000 slang words, abbreviations and acronyms listed here at Sayitshort.com? Your resource for web acronyms, web abbreviations and netspeak.

What is an open book?
an open book is " someone or something that is easy to understand", under an-open-book
an open book Definition / an open book Means
The definition of an open book is " someone or something that is easy to understand"
The Meaning of an open book
an open book means " someone or something that is easy to understand"
Other definition of an open book?
We've found a total of 1 definitions for an open book an open book someone or something that is easy to understand in Idioms

What does an open book in Idioms_an stand for?