Here is a list of recently-published guidebooks to Honolulu:

Oahu Revealed: The Ultimate Guide to Honolulu, Waikiki & Beyond, 2007

Frommer's Honolulu, Waikiki & Oahu (Frommer's Complete) , 2007

Schmap Honolulu Guide, 2006 (free digital guidebook with maps)

Fodor's Oahu, 1st Edition: with Honolulu, Waikiki, and the North Shore (Fodor's Gold Guides), 2006

 Lonely Planet: Honolulu, Waikiki and O'ahu, 2006