Read the excerpt from "binding memories.”
bound by a spine
strong enough to hold entire worlds
of information and dreams,
history and invention.
the speaker’s words reveal her
resolve to write her own book.
enthusiasm for reading every book.
reverence for the written word.
admiration of famous authors.

The answer to the question is reverence for the written word. The speaker here is praising the book and comparing its written strength as able to hold, "entire worlds of information and dreams, history and invention." The speaker is in awe of the power of the written word by use of such metaphor and has an overall reverence for it.