Cambridge IGCSE and o Level Additional Mathematics Second EditionVal Hanrahan, Jeanette Powell, Stephen Wrigley · First published 2023Open the Tome
Bards and Sages Quarterly (July 2015)Tyler Bourassa, Connor Wrigley, Sylvia Wrigley, Julia Martins, Steve Coate, Bryan Hulse, Gerry Huntman, Malcolm Laughton, Sean Turner McLeod, Stephen McQuiggan · First published 2015Open the Tome
Functional molecules from natural sourcesStephen Wrigley · First published 2010 · Latest edition 2011Open the Tome
BiodiversityEwan J. T. Chrystal, Stephen K. Wrigley, Robert Thomas, Neville Nicholson, Martin Hayes · First published 2007Open the Tome
Phytochemical diversityStephen Wrigley, S. Wrigley, M. Hayes, R. Thomas, E. Chrystal · First published 1997Open the Tome