I tend to look at the cover, either on the front or along the spine.
If you have a particular book in mind that you are looking for but don't know the title you can try looking it up at the library using the authors name. Failing that you could ask the Librarian for help looking it up using the subject of the book as a guide .
You could try a character search.
The name of the main character of the book Doomwyte is Bisky, a small mouse.
The name of the main character in the "N.E.R.D.S." book series is Jackson Jones.
Read the book and find out
Mowgli .
The Jungle Book - by Rudyard Kipling
We can find no book called 'Fahrenheit'
Armstrong
Read the book and find out.
There is no known book with a character named Dradredridrodrude. If you are looking for a specific character, providing more context or details may help in identifying the book.
Cassie is the main character
Eragon.