Dan Quinn, A-IS member based in Jakarta, has written a book/guide about climbing 100 mountains in Indonesia. A kindle version of his book can be purchased here.
Dan has created a wall map/poster of all the major mountains and volcanoes across the archipelago (including Malaysia and Timor Leste). It lists nearly 400 different peaks! The list is available as a free download. Click here to see the list.
If you want to know more about the mountains and volcanoes across the archipelago, visit his website here.