1. open book - Noun
2. open book - Adjective
3. open book - Phrase
(idiomatic) Something of which salient aspects are obvious or easily interpreted.
(idiomatic) A person who through naivete responds candidly to questions or openly displays their emotions or intentions.
(mathematics, topology) An open book decomposition.
(climbing) An inside angle in the rock.
open-book (not comparable)
(education) Designating exams in which specified external resources, potentially including textbooks, glossaries, study notes, calculators, etc. may be used.
open-book
My life is an open book. With illustrations. Hugh Hefner
When you were young, and your heart, was an open book. You used to say, live and let live. Paul McCartney
My life is pretty much an open book. Jeff Conaway
May I say, finally, that I have no illusions of grandeur; quite to the contrary, I am very humble in my knowledge that through forty years of my life my life has been an open book of service to my fellow architects and for the public good. Ralph Thomas Walker
You know, I'm pretty much an open book. Rita Coolidge
I'm not that deep, I'm not that mysterious. Don't try to figure me out. I'm a very open book. What you see is what you get. Anastacia