Brian Titley

Economics: A Complete Course

By Dan Moynihan, Brian Titley, Moynihan, Dan, Titley, Brian

Advanced Business

By Dan Moynihan, Brian Titley

Complete Business Studies for Cambridge IGCSE (R) and O Level

By Brian Titley, Catherine Dolan

Complete Accounting for Cambridge IGCSE (R) & O Level

By Brian Titley, Iain Ward-Campbell