In My Head
Author and Me & On My Own belong in this category.
In the Book
Right There and Think and Search belong in this category.
The answer is found in 1 sentence in the text.
Think and Search
The answer can be found in more than one part of the text, across several sentences or paragraphs.
On My Own
The answer comes from my own knowledge, not the text.
Author and Me
The answser is a combination of what you know and information that the author gave you. We often call this making an "inference".