open book Rate this phrase:(0.00 / 0 votes)
An inside angle in the rock.

Additional definitions for 'open book':

open bookSomething of which salient aspects are obvious or easily interpreted.
open bookA person who through naivete responds candidly to questions or openly displays their emotions or intentions.
open bookAn open book decomposition.
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"open book." STANDS4 LLC, 2018. Web. 21 Sep. 2018. <>.

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