Translation book : japanese to romaji to english :?

Question:

yep's

Answer:

http://babelfish.yahoo.com/
That would be your best bet.

As for a book, you could only use it if you could read some Kanji and Katakana, otherwise how would you pick the correct words/phrases?

Almost all English to Japanese books give the 3 examples you listed, just in the reverse order of course.