//Requirement for our project
//We are a book management company
//BOOKS //ISBN, title, pub date, language, num page, author[], category[]
//AUTHORS //id, name, books[]
//PUBLICATIONS //id, name, books[]
//We have to design and code an API over this .
//1. BOOKS //We need an API :- //To get all the books - DONE //To get specific book - DONE //To get a list of books based on category - DONE //To get a list of books based on languages - Done
//2. AUTHORS //We need an API :- //To get all the authors - DONE //To get a specific author based on id- Done //To get a list of authors based on books - DONE
//3. PUBLICATIONS //We need an API :- //To get all the publications //To get a specific publication -DONE //To get a list of publications based on a book - Done