Abhidharmakosha

(skt.: abhidharmakosha; tib.: chu ngunpa dzu) Literally The Treasury of Higher Knowledge. It is one of the five main texts that monks in monasteries study in much detail. It was written by Master Vasubandhu in the 4th century CE. The book presents various important topics such as ontology, psychology, cosmology, causality, states of consciousness, etc. This book is considered to be part of Hinayana, mainly of the Vaibhashika school.