hedging

The act of one who hedges (in various senses).

Any plant used to form a hedge.

The use of intentionally ambiguous or noncommittal statements.

Such hedging is necessitated by the lack of in-depth knowledge of the contents, which also gives free rein to the scripting of unsubstantiated factoids concerning the book.

the practice of taking a position in one market to offset and balance against the risk adopted by assuming a position in a contrary or opposing market or investment