to pick a book up
See if you feel like reading!
Read whats written on the cover pages!
Read who has read it? what are they talking about!
Read reviews in news papers!
Read reviews in bookshops!
Just get everything from a particular author!
Talk to other readers!
Get points from other books!
Visit a book shop, turn a few pages over!
…
if you don’t find what you are looking for, may be its time someone wrote it. Yourself preferebly!
note 0: good books get good books, note 1: company of people “better” than you helps