In 100 Ideas For Teaching Thinking Skills by Stephen Bowkett, we encounter thought at several levels. Early pages cover notions such as metacognition, the nature of consciousness, the systematic development of ideas, and verification. Later sections are concerned with how these can be developed in the classroom. Games such as What If? (constructing alternative universes) or variants on Odd One Out (including Odd Two Out and Odd One In) are serious fun. Creating different hypotheses to explain simple scenarios and using metaphors for precise definitions takes us into strange but intriguing regions of the mind. The book costs pound;8.99 from Continuum. www.continuumbooks.com