This illuminated book made of tree bark is a pustaha, written in the script of the Batak people of Northern Sumatra. Pustahas were books describing magical practices, and were intended for use only by Batak spiritual leaders and their disciples. This pustaha describes forms of protection against evil, and is from the special collections of the KITLV/Royal Netherlands Institute of Southeast Asian and Caribbean Studies in Leiden. Batak (Indonesian people); Magic; Witchcraft