And if you ever find yourself writing redundant variables:
mySomething1
mySomething2
mySomething3
...
Then you have forgotten about arrays/lists:
List<Book> books = ...
books.add(new Book("Dr. Seuss", .....));
books.add(new Book("Robert Kirkman", ....));
books.add(new Book("Hendrik Voogd", ....));
...
Parsing from JSON, CSV, or another format works as well.