Derek O'Brien

Constitutional Systems of the Commonwealth Caribbean

2014

Discover with Derek

2003

Cadbury Bournvita Book of Knowledge

2006

The Ultimate Business Quiz Book

2003

Inside parliament

2017

The Ultimate Sports Quiz Book

2003

The Ultimate Quiz Challenge

2005

The Penguin India Reference Yearbook 2006

2005

The Penguin India Reference Yearbook 2005

2004

The Penguin-CNBC-TV18 business yearbook 2006-07

2006

The Mumbai factfile

2003

The Landmark Quiz Book

2006

The Constitution and Parliament of India

2015

The Best Quizzes of Derek O'Brien

2003

The Best of Bournvita Quiz Contest

2011

Speak up, Speak Out

2013

Puffin Factfinder

2011

Politics, Policy and Predictions

2026