Listmania!
Books to Have/Read Before Coming to Japan
By an Amazon.com customer
Japan (Country Guide)Japan (Country Guide) by Chris Rowthorn
Buy used from: $2.49
Best travel guides out there.
CultureShock! Japan: A Survival Guide to Customs and Etiquette (Culture Shock! Guides)CultureShock! Japan: A Survival Guide to Customs and Etiquette (Culture Shock! Guides) by P. Sean Bramble
Buy new: $13.63 / Used from: $15.30
Very helpful, especially for etiquette and holidays.
Fodor's Exploring Japan, 6th Edition (Exploring Guides)Fodor's Exploring Japan, 6th Edition (Exploring Guides) by Fodor's
Buy new: $14.96 / Used from: $9.09
Lovely pictures and helpful anecdotes and asides not always included in travel guides.
A Traveller's History of JapanA Traveller's History of Japan by Richard Tames
Buy new: $11.21 / Used from: $0.62
Get a little background! This isn't too long, pretty easy to read, and refers to many currently famous places to visit.
Lost JapanLost Japan by Alex Kerr
Buy used from: $0.01
Wondering why nobody's wearing kimono and there's concrete on every mountainside? Check this out.
Random House Japanese-English English-Japanese DictionaryRandom House Japanese-English English-Japanese Dictionary by Seigo Nakao
Buy new: $10.07 / Used from: $2.76
I carry this with me everywhere - there are words it doesn't have, but the kanji is helpful.
Japanese: Lonely Planet PhrasebookJapanese: Lonely Planet Phrasebook by Yoshi Abe
Buy used from: $2.55
Just the basics, good to have around.
A Guide to Writing Japanese Kanji & Kana Book 1: A Self-Study Workbook for Learning Japanese Characters (Tuttle Language Library)A Guide to Writing Japanese Kanji & Kana Book 1: A Self-Study Workbook for Learning Japanese Characters (Tuttle Language Library) by Wolfgang Hadamitzky
Buy new: $19.77 / Used from: $7.77
Good to learn and practice.
Death Note, Vol. 1Death Note, Vol. 1 by Tsugumi Ohba
Buy new: $7.99 / Used from: $2.40
Get a clue what people around here are talking about! You must read at least one manga while in/before you come to Japan.