David G. Wells

Engaging mathematics

Problem Solving for National Curriculum Mathematics

The Penguin dictionary of curious and interesting numbers

Mathematics Through Problem-solving (Problem Solving for National Curriculum Mathematics)

Can You Solve These?

Mindbenders and Brainteasers

Curious and Interesting Geometry, The Penguin Dictionary of (Penguin Science)

Can You Solve These? Mathematical Problems to Test Your Thinking Powers, Series 3 (Can You Solve These?)

Problem solving and investigations.

Hidden connections, double meanings

The Penguin book of curious and interesting puzzles

You are a mathematician

Teaching Computing and Coding in Primary Schools

100 Maddening Mindbending Puzzles

You Are a Mathematician (Penguin Science)

Power and Economics

Tony Blair

El Curioso Mundo de Las Matematicas / Curious World of Mathematics

Mysterieuze en fascinerende raadsels

The Guinness Book of Brain Teasers

Can You Solve These (No 3)

Can You Solve These?

The Guinness Book of Mindbenders

Can You Solve These? Mathematical Problems to Test Your Thinking Powers, Series No. 1 (Can You Solve These?)

The Penguin dictionary of curious and interesting geometry

Can You Solve These? (Series 2)

Mathematics Through Problem-solving

Ovum Evaluates the Datamart (Ovum Report)

Ovum Evaluates

The Penguin dictionary of curious and interesting numbers

Prime Numbers

Woordenboek van merkwaardige en interessante meetkunde

Games and mathematics

Book of curious and interesting puzzles

Information for commissioners

Le dictionnaire Penguin des curiosités géométriques

Le dictionnaire Penguin des nombres curieux

Models, thought, language, structure

The Penguin book of curious and interesting mathematics

The Penguin dictionary of curious and interesting geometry