The Leonard Buck Library is the main library at the Christian Leaders’ Training College (CLTC) located in Banz, Jiwaka province, Papua New Guinea. This library is a central academic resource for the College. The current collection volume of resources (books, theses, and journals) stands at 50,000. The library supports programs from Certificate to Masters degrees.  

The library supports coursework and research in theology and related fields, and its collection includes a wide range of journals, theological theses, and research papers.  The Leonard Buck Library is integral to these academic and ministry training programs. It has dedicated study areas for students, a Melanesian collection, and a well-stocked children library.

Currently, the Library uses Bookmark Library Management System to manage the collection. Public access to the catalogue is made accessible through the College website (http:www.cltc.ac.pg) Inquiries to access cataloguing details or holdings can often be directed to the College librarian at email: nkwasam@cltc.ac.pg

The library is a favorite place for many students apart from other Buildings on campus and offers a conducive study and learning environment. Library staff and the college librarian provide a friendly service, with support from student library helpers.