Get a shelf-marker. Use the shelf-marker when looking at books to save the spot of a book pulled off the shelf. This will help you put the book back in its proper place.
Find a "good fit" book.
Is it interesting?
Can I read it? (Check for the language used to write the story)
I can read a book using the pictures, the words, or the words and pictures together.
Do I like the pictures?
Does it contain information that will be useful to me if I need it for a project?