For what it's worth I'm finding it hard to put my reaction to iWoz in words.

Try looking for specific moments in the book that embody what you feel, and examine at how those specific moments—they'll usually be sentences—are constructed and what they're trying to express. This won't automatically solve the problem of putting your reaction into words, but it should help.

(. . . says the English grad student who has heard similar comments from many, many students.)