Renaissance readers perceived the print book as both a thing and a medium - a thing that could be broken or reassembled, and a visual medium that had the power

What is understanding and how does it differ from knowledge? How can we determine the big ideas worth understanding? Why is understanding an important teaching

First published in 1986. We all play the roles of teacher or learner many times in life, in school and home, on the job and even at play. How can we strengthen

How does one package and sell confidence in the stability of a nation riven by civil strife? This was the question that loomed before the Philadelphia financial