It is better to ask "how does this book relate to my goal?"
before previewing.
Then you notice this book is about...(e.g. cooking eggs) this will serve my purpose to discover a variety of ways to cook them. Meals that I might enjoy, what combineations go well with eggs. PhotoRead... hummm yess it seems to relate to my purpose.
Postview. Hey looks like the there are some really cool recipies for omletts here I could try them. The easy way to boil egg - handy.
Yep that book seems to match my goal of becoming a better cook and has some interesting omletts. That would serve my purpose of discovering substitutes ingredients so.
Consider each book on it's own merits. It isn't a case of one size fits all purpose Kenji. Be more flexible, work with the book.
Alex
