Yes, if you wish to.
yes they did, read a Japanese book
There are often many places that once can buy an English to Japanese dictionary. In person the main store to buy a book as such would be Barnes & Nobles book stores. You can also buy a book on the internet and have it shipped to your home.
no
"Sore wo kaimasu" is a Japanese phrase and in English it means "I'll buy it."
you can check comic book stores or in stores like goodwill.
"Book" is 'hon' in Japanese.
Burinburin is the Japanese phrase for bling.
"Sore wo kaitai nodesu " is a Japanese phrase and in English it means "I would like to buy ... "
It's not published in English yet, however you can buy it in Japanese on eCrater or a local comic book store. You can also ask comic book stores or book stores to specially order your book, then collect from the store.
If you mean a Japanese book (as in a book from Japan) you would say "nihon no hon" にほんのほん 日本の本 If you mean a book in Japanese (written in Japanese) than it is "nihon go no hon" にほんごのほん 日本語の本 I know that sounds stupid, but you need to specific. One could technically buy a book in all Japanese that did not come from Japan.
Chocolate is 'chokoreeto' in Japanese.
Dog in Japanese is 'inu'.