SOUTH EAST ASIA ISLANDS
https://ukshop.omf.org/prayer-guides/unreached-peoples-of-sumatra.html PRINT GUIDE OMF UK's prayer guides come and go look around the uk site and the various countries to find current ones
Check also http://www.joshuaproject.net http://www.op1040.info is no more see resources page http://www.ltw2020.org http://www.win1040.com
The larger missions on the resources page will also have profiles on their web pages.
http://legacy.joshuaproject.net/prayer-cards.php also http://www.joshuaproject.net [current version]
Pray For The World Book; BBC News; The E Mail Newsletters on the Resources page