Six thinking hats De Bono, Edward

Six thinking hats / De Bono, Edward, 1933-

The De Bono code book / De Bono, Edward, 1933-

Lateral thinking : a textbook of creativity / De Bono, Edward, 1933-

The 5 day course in thinking De Bono, Edward, 1933-

Part 1. Foreword / Edward de Bono -- Introduction -- The case for wit -- Part 2. Different types of