Indian Ocean, Southeast Asia: Indian Ocean Cruising Guide
Good passage planning book with good local detail too. First produced 1996, now in its 2nd edition. Available through all major nautical publishers.
by Rod Heikell, ISBN: 9780852889725
Related to following destinations: Australia, BIOT (Chagos), Malaysia, Seychelles, Thailand
Related to the following Cruising Resources: Books, Regional Cruising Guides