authors write books when they feel like it and they get paid as long as people buy their book...
The book of Psalm is subdivided into five smaller books.
Seven main Harry Potter books, and three smaller books ("school books"), also related to Harry Potter.
I think it's a book club edition, and I heard that those type of books are smaller in hardcover than they are with the regular editions.
Probably because the author, (James Patterson,) wants you to keep on reading book after book and not to let you stop until he can pump out much money as he can out of the series.
It's not one book but seven main books (and a few smaller ones). They are extremely popular - millions of each of the book have been sold.
You can buy books in various places such as:A book shop (Waterstones, Barnes and Noble)Amazonscholarkart.comeBayCharity shopsJumble salesOnline used books websitesOn eBook devices such as a Kindle
There are various books on how to design websites. They range depending on your ability and budget and you can purchase them from various websites and/or stores.
People who read books would want to visit a book club to discuss a particular book. Book club members go over various parts of the book and literary elements, which may interest book readers.
Books is already the plural of book.
The plural of book is books. As in "these are good books".
I recommend Amazon.com or Google Books to find out about various books. Worldcat.org is a very helpful site which allows you to find which libraries carry a specific book.