The Penguin book of curious and interesting mathematicsDavid G. Wells · First published 1997Open the Tome
The Penguin book of curious and interesting puzzlesDavid G. Wells · First published 1992Open the Tome
The Penguin dictionary of curious and interesting geometryDavid G. Wells · First published 1991 · Latest edition 1992Open the Tome
Problem Solving for National Curriculum MathematicsDavid G. Wells · First published 1990Open the Tome
Mathematics Through Problem-solving (Problem Solving for National Curriculum Mathematics)David G. Wells · First published 1987Open the Tome
The Penguin dictionary of curious and interesting numbersDavid G. Wells · First published 1986Open the Tome
Beyond The StarsGeorge Lucas, Jay Williams, Garry Kilworth, Brian Earnshaw, H. G. Wells, Guy Weiner, Anne McCaffrey, David Campton, Robert Silverberg, Arthur Tofte, Monica Hughes · First published 1983Open the Tome